Home / 15,079.86-22,619.79-8,511.57

Finding the Fourth Proportional to 15,079.86, 22,619.79 and 8,511.57

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Solution

The fourth proportional to 15,079.86, 22,619.79 and 8,511.57 is: 12,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079.86 : 22,619.79 = 8,511.57 : x
  2. Step 2: Convert to fraction form
    15,079.86/22,619.79 = 8,511.57/x
  3. Step 3: Cross multiply
    15,079.86x = 22,619.79 × 8,511.57
  4. Step 4: Simplify right side
    15,079.86x = 192,529,925.97
  5. Step 5: Solve for x
    x = 192,529,925.97/15,079.86
  6. Step 6: Final answer
    x = 12,767.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.