Home / 9,521.36-13,164.56-8,339.04

Finding the Fourth Proportional to 9,521.36, 13,164.56 and 8,339.04

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Solution

The fourth proportional to 9,521.36, 13,164.56 and 8,339.04 is: 11,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.36 : 13,164.56 = 8,339.04 : x
  2. Step 2: Convert to fraction form
    9,521.36/13,164.56 = 8,339.04/x
  3. Step 3: Cross multiply
    9,521.36x = 13,164.56 × 8,339.04
  4. Step 4: Simplify right side
    9,521.36x = 109,779,750.73
  5. Step 5: Solve for x
    x = 109,779,750.73/9,521.36
  6. Step 6: Final answer
    x = 11,529.85

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Half scale
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Double scale
Find fourth proportional to 9,522.36, 13,165.94 and 8,340.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.