Home / 13,275.52-19,901.76-7,792

Finding the Fourth Proportional to 13,275.52, 19,901.76 and 7,792

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Solution

The fourth proportional to 13,275.52, 19,901.76 and 7,792 is: 11,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.52 : 19,901.76 = 7,792 : x
  2. Step 2: Convert to fraction form
    13,275.52/19,901.76 = 7,792/x
  3. Step 3: Cross multiply
    13,275.52x = 19,901.76 × 7,792
  4. Step 4: Simplify right side
    13,275.52x = 155,074,513.92
  5. Step 5: Solve for x
    x = 155,074,513.92/13,275.52
  6. Step 6: Final answer
    x = 11,681.24

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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.