Home / 14,727.61-20,317.38-8,755.88

Finding the Fourth Proportional to 14,727.61, 20,317.38 and 8,755.88

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Solution

The fourth proportional to 14,727.61, 20,317.38 and 8,755.88 is: 12,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.61 : 20,317.38 = 8,755.88 : x
  2. Step 2: Convert to fraction form
    14,727.61/20,317.38 = 8,755.88/x
  3. Step 3: Cross multiply
    14,727.61x = 20,317.38 × 8,755.88
  4. Step 4: Simplify right side
    14,727.61x = 177,896,541.19
  5. Step 5: Solve for x
    x = 177,896,541.19/14,727.61
  6. Step 6: Final answer
    x = 12,079.12

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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.