Home / 21,064.32-31,593.65-6,270.48

Finding the Fourth Proportional to 21,064.32, 31,593.65 and 6,270.48

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Solution

The fourth proportional to 21,064.32, 31,593.65 and 6,270.48 is: 9,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.32 : 31,593.65 = 6,270.48 : x
  2. Step 2: Convert to fraction form
    21,064.32/31,593.65 = 6,270.48/x
  3. Step 3: Cross multiply
    21,064.32x = 31,593.65 × 6,270.48
  4. Step 4: Simplify right side
    21,064.32x = 198,107,319.10
  5. Step 5: Solve for x
    x = 198,107,319.10/21,064.32
  6. Step 6: Final answer
    x = 9,404.88

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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.