Home / 21,250.17-31,873.64-7,399.17

Finding the Fourth Proportional to 21,250.17, 31,873.64 and 7,399.17

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Solution

The fourth proportional to 21,250.17, 31,873.64 and 7,399.17 is: 11,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.17 : 31,873.64 = 7,399.17 : x
  2. Step 2: Convert to fraction form
    21,250.17/31,873.64 = 7,399.17/x
  3. Step 3: Cross multiply
    21,250.17x = 31,873.64 × 7,399.17
  4. Step 4: Simplify right side
    21,250.17x = 235,838,443.88
  5. Step 5: Solve for x
    x = 235,838,443.88/21,250.17
  6. Step 6: Final answer
    x = 11,098.19

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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.