Home / 10,621.49-15,913.80-6,452.73

Finding the Fourth Proportional to 10,621.49, 15,913.80 and 6,452.73

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Solution

The fourth proportional to 10,621.49, 15,913.80 and 6,452.73 is: 9,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.49 : 15,913.80 = 6,452.73 : x
  2. Step 2: Convert to fraction form
    10,621.49/15,913.80 = 6,452.73/x
  3. Step 3: Cross multiply
    10,621.49x = 15,913.80 × 6,452.73
  4. Step 4: Simplify right side
    10,621.49x = 102,687,454.67
  5. Step 5: Solve for x
    x = 102,687,454.67/10,621.49
  6. Step 6: Final answer
    x = 9,667.90

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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.