Home / 19,167.29-28,741.20-8,770.13

Finding the Fourth Proportional to 19,167.29, 28,741.20 and 8,770.13

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Solution

The fourth proportional to 19,167.29, 28,741.20 and 8,770.13 is: 13,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.29 : 28,741.20 = 8,770.13 : x
  2. Step 2: Convert to fraction form
    19,167.29/28,741.20 = 8,770.13/x
  3. Step 3: Cross multiply
    19,167.29x = 28,741.20 × 8,770.13
  4. Step 4: Simplify right side
    19,167.29x = 252,064,060.36
  5. Step 5: Solve for x
    x = 252,064,060.36/19,167.29
  6. Step 6: Final answer
    x = 13,150.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.