Home / 18,534.57-25,575.94-10,980.91

Finding the Fourth Proportional to 18,534.57, 25,575.94 and 10,980.91

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Solution

The fourth proportional to 18,534.57, 25,575.94 and 10,980.91 is: 15,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.57 : 25,575.94 = 10,980.91 : x
  2. Step 2: Convert to fraction form
    18,534.57/25,575.94 = 10,980.91/x
  3. Step 3: Cross multiply
    18,534.57x = 25,575.94 × 10,980.91
  4. Step 4: Simplify right side
    18,534.57x = 280,847,095.31
  5. Step 5: Solve for x
    x = 280,847,095.31/18,534.57
  6. Step 6: Final answer
    x = 15,152.61

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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.