Home / 22,390.38-30,892.45-14,437.26

Finding the Fourth Proportional to 22,390.38, 30,892.45 and 14,437.26

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Solution

The fourth proportional to 22,390.38, 30,892.45 and 14,437.26 is: 19,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.38 : 30,892.45 = 14,437.26 : x
  2. Step 2: Convert to fraction form
    22,390.38/30,892.45 = 14,437.26/x
  3. Step 3: Cross multiply
    22,390.38x = 30,892.45 × 14,437.26
  4. Step 4: Simplify right side
    22,390.38x = 446,002,332.69
  5. Step 5: Solve for x
    x = 446,002,332.69/22,390.38
  6. Step 6: Final answer
    x = 19,919.37

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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.