Home / 10,461.08-15,691.56-4,914.39

Finding the Fourth Proportional to 10,461.08, 15,691.56 and 4,914.39

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Solution

The fourth proportional to 10,461.08, 15,691.56 and 4,914.39 is: 7,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.08 : 15,691.56 = 4,914.39 : x
  2. Step 2: Convert to fraction form
    10,461.08/15,691.56 = 4,914.39/x
  3. Step 3: Cross multiply
    10,461.08x = 15,691.56 × 4,914.39
  4. Step 4: Simplify right side
    10,461.08x = 77,114,445.55
  5. Step 5: Solve for x
    x = 77,114,445.55/10,461.08
  6. Step 6: Final answer
    x = 7,371.56

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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.