Home / 18,265.04-25,205.76-9,881.52

Finding the Fourth Proportional to 18,265.04, 25,205.76 and 9,881.52

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Solution

The fourth proportional to 18,265.04, 25,205.76 and 9,881.52 is: 13,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.04 : 25,205.76 = 9,881.52 : x
  2. Step 2: Convert to fraction form
    18,265.04/25,205.76 = 9,881.52/x
  3. Step 3: Cross multiply
    18,265.04x = 25,205.76 × 9,881.52
  4. Step 4: Simplify right side
    18,265.04x = 249,071,221.56
  5. Step 5: Solve for x
    x = 249,071,221.56/18,265.04
  6. Step 6: Final answer
    x = 13,636.50

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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.