Home / 21,073.47-31,600.17-6,277.20

Finding the Fourth Proportional to 21,073.47, 31,600.17 and 6,277.20

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Solution

The fourth proportional to 21,073.47, 31,600.17 and 6,277.20 is: 9,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.47 : 31,600.17 = 6,277.20 : x
  2. Step 2: Convert to fraction form
    21,073.47/31,600.17 = 6,277.20/x
  3. Step 3: Cross multiply
    21,073.47x = 31,600.17 × 6,277.20
  4. Step 4: Simplify right side
    21,073.47x = 198,360,587.12
  5. Step 5: Solve for x
    x = 198,360,587.12/21,073.47
  6. Step 6: Final answer
    x = 9,412.81

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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.