Home / 15,366.27-21,204-8,650.83

Finding the Fourth Proportional to 15,366.27, 21,204 and 8,650.83

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Solution

The fourth proportional to 15,366.27, 21,204 and 8,650.83 is: 11,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.27 : 21,204 = 8,650.83 : x
  2. Step 2: Convert to fraction form
    15,366.27/21,204 = 8,650.83/x
  3. Step 3: Cross multiply
    15,366.27x = 21,204 × 8,650.83
  4. Step 4: Simplify right side
    15,366.27x = 183,432,199.32
  5. Step 5: Solve for x
    x = 183,432,199.32/15,366.27
  6. Step 6: Final answer
    x = 11,937.33

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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.