Home / 14,308.39-21,438.82-10,127.71

Finding the Fourth Proportional to 14,308.39, 21,438.82 and 10,127.71

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Solution

The fourth proportional to 14,308.39, 21,438.82 and 10,127.71 is: 15,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.39 : 21,438.82 = 10,127.71 : x
  2. Step 2: Convert to fraction form
    14,308.39/21,438.82 = 10,127.71/x
  3. Step 3: Cross multiply
    14,308.39x = 21,438.82 × 10,127.71
  4. Step 4: Simplify right side
    14,308.39x = 217,126,151.70
  5. Step 5: Solve for x
    x = 217,126,151.70/14,308.39
  6. Step 6: Final answer
    x = 15,174.74

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1.5x scale

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.