Home / 14,695.41-20,279.29-8,407.38

Finding the Fourth Proportional to 14,695.41, 20,279.29 and 8,407.38

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Solution

The fourth proportional to 14,695.41, 20,279.29 and 8,407.38 is: 11,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.41 : 20,279.29 = 8,407.38 : x
  2. Step 2: Convert to fraction form
    14,695.41/20,279.29 = 8,407.38/x
  3. Step 3: Cross multiply
    14,695.41x = 20,279.29 × 8,407.38
  4. Step 4: Simplify right side
    14,695.41x = 170,495,697.16
  5. Step 5: Solve for x
    x = 170,495,697.16/14,695.41
  6. Step 6: Final answer
    x = 11,601.97

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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.