Home / 21,337.07-31,989.80-10,233.18

Finding the Fourth Proportional to 21,337.07, 31,989.80 and 10,233.18

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Solution

The fourth proportional to 21,337.07, 31,989.80 and 10,233.18 is: 15,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.07 : 31,989.80 = 10,233.18 : x
  2. Step 2: Convert to fraction form
    21,337.07/31,989.80 = 10,233.18/x
  3. Step 3: Cross multiply
    21,337.07x = 31,989.80 × 10,233.18
  4. Step 4: Simplify right side
    21,337.07x = 327,357,330.40
  5. Step 5: Solve for x
    x = 327,357,330.40/21,337.07
  6. Step 6: Final answer
    x = 15,342.19

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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.