Home / 14,744.16-20,346.80-8,458.72

Finding the Fourth Proportional to 14,744.16, 20,346.80 and 8,458.72

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Solution

The fourth proportional to 14,744.16, 20,346.80 and 8,458.72 is: 11,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.16 : 20,346.80 = 8,458.72 : x
  2. Step 2: Convert to fraction form
    14,744.16/20,346.80 = 8,458.72/x
  3. Step 3: Cross multiply
    14,744.16x = 20,346.80 × 8,458.72
  4. Step 4: Simplify right side
    14,744.16x = 172,107,884.10
  5. Step 5: Solve for x
    x = 172,107,884.10/14,744.16
  6. Step 6: Final answer
    x = 11,672.95

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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.