Home / 18,280.66-25,227.36-9,897.16

Finding the Fourth Proportional to 18,280.66, 25,227.36 and 9,897.16

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Solution

The fourth proportional to 18,280.66, 25,227.36 and 9,897.16 is: 13,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.66 : 25,227.36 = 9,897.16 : x
  2. Step 2: Convert to fraction form
    18,280.66/25,227.36 = 9,897.16/x
  3. Step 3: Cross multiply
    18,280.66x = 25,227.36 × 9,897.16
  4. Step 4: Simplify right side
    18,280.66x = 249,679,218.30
  5. Step 5: Solve for x
    x = 249,679,218.30/18,280.66
  6. Step 6: Final answer
    x = 13,658.11

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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.