Home / 21,350.00-31,998.26-10,254.62

Finding the Fourth Proportional to 21,350.00, 31,998.26 and 10,254.62

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Solution

The fourth proportional to 21,350.00, 31,998.26 and 10,254.62 is: 15,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.00 : 31,998.26 = 10,254.62 : x
  2. Step 2: Convert to fraction form
    21,350.00/31,998.26 = 10,254.62/x
  3. Step 3: Cross multiply
    21,350.00x = 31,998.26 × 10,254.62
  4. Step 4: Simplify right side
    21,350.00x = 328,129,862.61
  5. Step 5: Solve for x
    x = 328,129,862.61/21,350.00
  6. Step 6: Final answer
    x = 15,369.08

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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.