Home / 10,434.52-15,651.51-3,509.02

Finding the Fourth Proportional to 10,434.52, 15,651.51 and 3,509.02

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Solution

The fourth proportional to 10,434.52, 15,651.51 and 3,509.02 is: 5,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.52 : 15,651.51 = 3,509.02 : x
  2. Step 2: Convert to fraction form
    10,434.52/15,651.51 = 3,509.02/x
  3. Step 3: Cross multiply
    10,434.52x = 15,651.51 × 3,509.02
  4. Step 4: Simplify right side
    10,434.52x = 54,921,461.62
  5. Step 5: Solve for x
    x = 54,921,461.62/10,434.52
  6. Step 6: Final answer
    x = 5,263.44

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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.