Home / 18,622.27-25,699.17-10,124.88

Finding the Fourth Proportional to 18,622.27, 25,699.17 and 10,124.88

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Solution

The fourth proportional to 18,622.27, 25,699.17 and 10,124.88 is: 13,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.27 : 25,699.17 = 10,124.88 : x
  2. Step 2: Convert to fraction form
    18,622.27/25,699.17 = 10,124.88/x
  3. Step 3: Cross multiply
    18,622.27x = 25,699.17 × 10,124.88
  4. Step 4: Simplify right side
    18,622.27x = 260,201,012.35
  5. Step 5: Solve for x
    x = 260,201,012.35/18,622.27
  6. Step 6: Final answer
    x = 13,972.57

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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.