Home / 9,521.84-13,135.56-6,165.20

Finding the Fourth Proportional to 9,521.84, 13,135.56 and 6,165.20

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Solution

The fourth proportional to 9,521.84, 13,135.56 and 6,165.20 is: 8,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.84 : 13,135.56 = 6,165.20 : x
  2. Step 2: Convert to fraction form
    9,521.84/13,135.56 = 6,165.20/x
  3. Step 3: Cross multiply
    9,521.84x = 13,135.56 × 6,165.20
  4. Step 4: Simplify right side
    9,521.84x = 80,983,354.51
  5. Step 5: Solve for x
    x = 80,983,354.51/9,521.84
  6. Step 6: Final answer
    x = 8,505.01

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Double scale
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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.