Home / 20,862.46-31,253.36-11,600.38

Finding the Fourth Proportional to 20,862.46, 31,253.36 and 11,600.38

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Solution

The fourth proportional to 20,862.46, 31,253.36 and 11,600.38 is: 17,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862.46 : 31,253.36 = 11,600.38 : x
  2. Step 2: Convert to fraction form
    20,862.46/31,253.36 = 11,600.38/x
  3. Step 3: Cross multiply
    20,862.46x = 31,253.36 × 11,600.38
  4. Step 4: Simplify right side
    20,862.46x = 362,550,852.28
  5. Step 5: Solve for x
    x = 362,550,852.28/20,862.46
  6. Step 6: Final answer
    x = 17,378.14

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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.