Home / 14,772.14-20,385.93-8,057.88

Finding the Fourth Proportional to 14,772.14, 20,385.93 and 8,057.88

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Solution

The fourth proportional to 14,772.14, 20,385.93 and 8,057.88 is: 11,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.14 : 20,385.93 = 8,057.88 : x
  2. Step 2: Convert to fraction form
    14,772.14/20,385.93 = 8,057.88/x
  3. Step 3: Cross multiply
    14,772.14x = 20,385.93 × 8,057.88
  4. Step 4: Simplify right side
    14,772.14x = 164,267,275.70
  5. Step 5: Solve for x
    x = 164,267,275.70/14,772.14
  6. Step 6: Final answer
    x = 11,120.08

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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.