Home / 22,930.86-31,631.13-14,419.47

Finding the Fourth Proportional to 22,930.86, 31,631.13 and 14,419.47

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Solution

The fourth proportional to 22,930.86, 31,631.13 and 14,419.47 is: 19,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.86 : 31,631.13 = 14,419.47 : x
  2. Step 2: Convert to fraction form
    22,930.86/31,631.13 = 14,419.47/x
  3. Step 3: Cross multiply
    22,930.86x = 31,631.13 × 14,419.47
  4. Step 4: Simplify right side
    22,930.86x = 456,104,130.10
  5. Step 5: Solve for x
    x = 456,104,130.10/22,930.86
  6. Step 6: Final answer
    x = 19,890.41

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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.