Home / 23,901.40-32,983.10-13,290.80

Finding the Fourth Proportional to 23,901.40, 32,983.10 and 13,290.80

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Solution

The fourth proportional to 23,901.40, 32,983.10 and 13,290.80 is: 18,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,901.40 : 32,983.10 = 13,290.80 : x
  2. Step 2: Convert to fraction form
    23,901.40/32,983.10 = 13,290.80/x
  3. Step 3: Cross multiply
    23,901.40x = 32,983.10 × 13,290.80
  4. Step 4: Simplify right side
    23,901.40x = 438,371,785.48
  5. Step 5: Solve for x
    x = 438,371,785.48/23,901.40
  6. Step 6: Final answer
    x = 18,340.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.