Home / 10,451.10-15,656.40-6,503.91

Finding the Fourth Proportional to 10,451.10, 15,656.40 and 6,503.91

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Solution

The fourth proportional to 10,451.10, 15,656.40 and 6,503.91 is: 9,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.10 : 15,656.40 = 6,503.91 : x
  2. Step 2: Convert to fraction form
    10,451.10/15,656.40 = 6,503.91/x
  3. Step 3: Cross multiply
    10,451.10x = 15,656.40 × 6,503.91
  4. Step 4: Simplify right side
    10,451.10x = 101,827,816.52
  5. Step 5: Solve for x
    x = 101,827,816.52/10,451.10
  6. Step 6: Final answer
    x = 9,743.26

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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.