Home / 10,434.40-15,651.60-3,513.76

Finding the Fourth Proportional to 10,434.40, 15,651.60 and 3,513.76

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Solution

The fourth proportional to 10,434.40, 15,651.60 and 3,513.76 is: 5,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.40 : 15,651.60 = 3,513.76 : x
  2. Step 2: Convert to fraction form
    10,434.40/15,651.60 = 3,513.76/x
  3. Step 3: Cross multiply
    10,434.40x = 15,651.60 × 3,513.76
  4. Step 4: Simplify right side
    10,434.40x = 54,995,966.02
  5. Step 5: Solve for x
    x = 54,995,966.02/10,434.40
  6. Step 6: Final answer
    x = 5,270.64

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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.