Home / 13,109.28-19,663.92-6,088.40

Finding the Fourth Proportional to 13,109.28, 19,663.92 and 6,088.40

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Solution

The fourth proportional to 13,109.28, 19,663.92 and 6,088.40 is: 9,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.28 : 19,663.92 = 6,088.40 : x
  2. Step 2: Convert to fraction form
    13,109.28/19,663.92 = 6,088.40/x
  3. Step 3: Cross multiply
    13,109.28x = 19,663.92 × 6,088.40
  4. Step 4: Simplify right side
    13,109.28x = 119,721,810.53
  5. Step 5: Solve for x
    x = 119,721,810.53/13,109.28
  6. Step 6: Final answer
    x = 9,132.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.