Home / 10,787.28-14,789.32-10,590.44

Finding the Fourth Proportional to 10,787.28, 14,789.32 and 10,590.44

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Solution

The fourth proportional to 10,787.28, 14,789.32 and 10,590.44 is: 14,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.28 : 14,789.32 = 10,590.44 : x
  2. Step 2: Convert to fraction form
    10,787.28/14,789.32 = 10,590.44/x
  3. Step 3: Cross multiply
    10,787.28x = 14,789.32 × 10,590.44
  4. Step 4: Simplify right side
    10,787.28x = 156,625,406.10
  5. Step 5: Solve for x
    x = 156,625,406.10/10,787.28
  6. Step 6: Final answer
    x = 14,519.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.