Home / 14,684.67-20,264.87-8,397.05

Finding the Fourth Proportional to 14,684.67, 20,264.87 and 8,397.05

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Solution

The fourth proportional to 14,684.67, 20,264.87 and 8,397.05 is: 11,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.67 : 20,264.87 = 8,397.05 : x
  2. Step 2: Convert to fraction form
    14,684.67/20,264.87 = 8,397.05/x
  3. Step 3: Cross multiply
    14,684.67x = 20,264.87 × 8,397.05
  4. Step 4: Simplify right side
    14,684.67x = 170,165,046.30
  5. Step 5: Solve for x
    x = 170,165,046.30/14,684.67
  6. Step 6: Final answer
    x = 11,587.94

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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.