Home / 14,538.86-21,753.32-8,618.94

Finding the Fourth Proportional to 14,538.86, 21,753.32 and 8,618.94

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Solution

The fourth proportional to 14,538.86, 21,753.32 and 8,618.94 is: 12,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.86 : 21,753.32 = 8,618.94 : x
  2. Step 2: Convert to fraction form
    14,538.86/21,753.32 = 8,618.94/x
  3. Step 3: Cross multiply
    14,538.86x = 21,753.32 × 8,618.94
  4. Step 4: Simplify right side
    14,538.86x = 187,490,559.88
  5. Step 5: Solve for x
    x = 187,490,559.88/14,538.86
  6. Step 6: Final answer
    x = 12,895.82

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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.