Home / 10,621.34-15,934.72-6,242.48

Finding the Fourth Proportional to 10,621.34, 15,934.72 and 6,242.48

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Solution

The fourth proportional to 10,621.34, 15,934.72 and 6,242.48 is: 9,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.34 : 15,934.72 = 6,242.48 : x
  2. Step 2: Convert to fraction form
    10,621.34/15,934.72 = 6,242.48/x
  3. Step 3: Cross multiply
    10,621.34x = 15,934.72 × 6,242.48
  4. Step 4: Simplify right side
    10,621.34x = 99,472,170.91
  5. Step 5: Solve for x
    x = 99,472,170.91/10,621.34
  6. Step 6: Final answer
    x = 9,365.31

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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.