Home / 14,776.52-20,385.78-14,710.64

Finding the Fourth Proportional to 14,776.52, 20,385.78 and 14,710.64

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Solution

The fourth proportional to 14,776.52, 20,385.78 and 14,710.64 is: 20,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.52 : 20,385.78 = 14,710.64 : x
  2. Step 2: Convert to fraction form
    14,776.52/20,385.78 = 14,710.64/x
  3. Step 3: Cross multiply
    14,776.52x = 20,385.78 × 14,710.64
  4. Step 4: Simplify right side
    14,776.52x = 299,887,870.70
  5. Step 5: Solve for x
    x = 299,887,870.70/14,776.52
  6. Step 6: Final answer
    x = 20,294.89

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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.