Home / 14,930.76-20,605.36-8,217.87

Finding the Fourth Proportional to 14,930.76, 20,605.36 and 8,217.87

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Solution

The fourth proportional to 14,930.76, 20,605.36 and 8,217.87 is: 11,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.76 : 20,605.36 = 8,217.87 : x
  2. Step 2: Convert to fraction form
    14,930.76/20,605.36 = 8,217.87/x
  3. Step 3: Cross multiply
    14,930.76x = 20,605.36 × 8,217.87
  4. Step 4: Simplify right side
    14,930.76x = 169,332,110.49
  5. Step 5: Solve for x
    x = 169,332,110.49/14,930.76
  6. Step 6: Final answer
    x = 11,341.16

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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.