Home / 10,377.12-15,567.84-3,451.44

Finding the Fourth Proportional to 10,377.12, 15,567.84 and 3,451.44

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Solution

The fourth proportional to 10,377.12, 15,567.84 and 3,451.44 is: 5,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.12 : 15,567.84 = 3,451.44 : x
  2. Step 2: Convert to fraction form
    10,377.12/15,567.84 = 3,451.44/x
  3. Step 3: Cross multiply
    10,377.12x = 15,567.84 × 3,451.44
  4. Step 4: Simplify right side
    10,377.12x = 53,731,465.69
  5. Step 5: Solve for x
    x = 53,731,465.69/10,377.12
  6. Step 6: Final answer
    x = 5,177.88

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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.