Home / 10,397.28-15,591.29-2,999.98

Finding the Fourth Proportional to 10,397.28, 15,591.29 and 2,999.98

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Solution

The fourth proportional to 10,397.28, 15,591.29 and 2,999.98 is: 4,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.28 : 15,591.29 = 2,999.98 : x
  2. Step 2: Convert to fraction form
    10,397.28/15,591.29 = 2,999.98/x
  3. Step 3: Cross multiply
    10,397.28x = 15,591.29 × 2,999.98
  4. Step 4: Simplify right side
    10,397.28x = 46,773,608.77
  5. Step 5: Solve for x
    x = 46,773,608.77/10,397.28
  6. Step 6: Final answer
    x = 4,498.64

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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.