Home / 15,689.44-23,542.17-10,428.04

Finding the Fourth Proportional to 15,689.44, 23,542.17 and 10,428.04

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Solution

The fourth proportional to 15,689.44, 23,542.17 and 10,428.04 is: 15,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.44 : 23,542.17 = 10,428.04 : x
  2. Step 2: Convert to fraction form
    15,689.44/23,542.17 = 10,428.04/x
  3. Step 3: Cross multiply
    15,689.44x = 23,542.17 × 10,428.04
  4. Step 4: Simplify right side
    15,689.44x = 245,498,690.45
  5. Step 5: Solve for x
    x = 245,498,690.45/15,689.44
  6. Step 6: Final answer
    x = 15,647.38

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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.