Home / 14,721.98-20,308.44-10,237.95

Finding the Fourth Proportional to 14,721.98, 20,308.44 and 10,237.95

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Solution

The fourth proportional to 14,721.98, 20,308.44 and 10,237.95 is: 14,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.98 : 20,308.44 = 10,237.95 : x
  2. Step 2: Convert to fraction form
    14,721.98/20,308.44 = 10,237.95/x
  3. Step 3: Cross multiply
    14,721.98x = 20,308.44 × 10,237.95
  4. Step 4: Simplify right side
    14,721.98x = 207,916,793.30
  5. Step 5: Solve for x
    x = 207,916,793.30/14,721.98
  6. Step 6: Final answer
    x = 14,122.89

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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.