Home / 14,854.59-20,499.40-8,140.27

Finding the Fourth Proportional to 14,854.59, 20,499.40 and 8,140.27

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Solution

The fourth proportional to 14,854.59, 20,499.40 and 8,140.27 is: 11,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.59 : 20,499.40 = 8,140.27 : x
  2. Step 2: Convert to fraction form
    14,854.59/20,499.40 = 8,140.27/x
  3. Step 3: Cross multiply
    14,854.59x = 20,499.40 × 8,140.27
  4. Step 4: Simplify right side
    14,854.59x = 166,870,728.75
  5. Step 5: Solve for x
    x = 166,870,728.75/14,854.59
  6. Step 6: Final answer
    x = 11,233.61

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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.