Home / 9,533.13-13,128.52-8,580.81

Finding the Fourth Proportional to 9,533.13, 13,128.52 and 8,580.81

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Solution

The fourth proportional to 9,533.13, 13,128.52 and 8,580.81 is: 11,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,533.13 : 13,128.52 = 8,580.81 : x
  2. Step 2: Convert to fraction form
    9,533.13/13,128.52 = 8,580.81/x
  3. Step 3: Cross multiply
    9,533.13x = 13,128.52 × 8,580.81
  4. Step 4: Simplify right side
    9,533.13x = 112,653,335.70
  5. Step 5: Solve for x
    x = 112,653,335.70/9,533.13
  6. Step 6: Final answer
    x = 11,817.04

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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.