Home / 21,050.18-31,524.98-11,666.92

Finding the Fourth Proportional to 21,050.18, 31,524.98 and 11,666.92

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Solution

The fourth proportional to 21,050.18, 31,524.98 and 11,666.92 is: 17,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.18 : 31,524.98 = 11,666.92 : x
  2. Step 2: Convert to fraction form
    21,050.18/31,524.98 = 11,666.92/x
  3. Step 3: Cross multiply
    21,050.18x = 31,524.98 × 11,666.92
  4. Step 4: Simplify right side
    21,050.18x = 367,799,419.66
  5. Step 5: Solve for x
    x = 367,799,419.66/21,050.18
  6. Step 6: Final answer
    x = 17,472.51

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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.