Home / 15,977.46-22,042.40-10,602.43

Finding the Fourth Proportional to 15,977.46, 22,042.40 and 10,602.43

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Solution

The fourth proportional to 15,977.46, 22,042.40 and 10,602.43 is: 14,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.46 : 22,042.40 = 10,602.43 : x
  2. Step 2: Convert to fraction form
    15,977.46/22,042.40 = 10,602.43/x
  3. Step 3: Cross multiply
    15,977.46x = 22,042.40 × 10,602.43
  4. Step 4: Simplify right side
    15,977.46x = 233,703,003.03
  5. Step 5: Solve for x
    x = 233,703,003.03/15,977.46
  6. Step 6: Final answer
    x = 14,627.04

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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.