Home / 14,589.45-20,126.57-8,617.14

Finding the Fourth Proportional to 14,589.45, 20,126.57 and 8,617.14

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Solution

The fourth proportional to 14,589.45, 20,126.57 and 8,617.14 is: 11,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.45 : 20,126.57 = 8,617.14 : x
  2. Step 2: Convert to fraction form
    14,589.45/20,126.57 = 8,617.14/x
  3. Step 3: Cross multiply
    14,589.45x = 20,126.57 × 8,617.14
  4. Step 4: Simplify right side
    14,589.45x = 173,433,428.32
  5. Step 5: Solve for x
    x = 173,433,428.32/14,589.45
  6. Step 6: Final answer
    x = 11,887.59

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Half scale
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Double scale
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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.