Home / 10,397.60-15,576.24-5,207.84

Finding the Fourth Proportional to 10,397.60, 15,576.24 and 5,207.84

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Solution

The fourth proportional to 10,397.60, 15,576.24 and 5,207.84 is: 7,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.60 : 15,576.24 = 5,207.84 : x
  2. Step 2: Convert to fraction form
    10,397.60/15,576.24 = 5,207.84/x
  3. Step 3: Cross multiply
    10,397.60x = 15,576.24 × 5,207.84
  4. Step 4: Simplify right side
    10,397.60x = 81,118,565.72
  5. Step 5: Solve for x
    x = 81,118,565.72/10,397.60
  6. Step 6: Final answer
    x = 7,801.66

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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.