Home / 10,219.23-15,254.26-8,767.71

Finding the Fourth Proportional to 10,219.23, 15,254.26 and 8,767.71

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Solution

The fourth proportional to 10,219.23, 15,254.26 and 8,767.71 is: 13,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.23 : 15,254.26 = 8,767.71 : x
  2. Step 2: Convert to fraction form
    10,219.23/15,254.26 = 8,767.71/x
  3. Step 3: Cross multiply
    10,219.23x = 15,254.26 × 8,767.71
  4. Step 4: Simplify right side
    10,219.23x = 133,744,906.03
  5. Step 5: Solve for x
    x = 133,744,906.03/10,219.23
  6. Step 6: Final answer
    x = 13,087.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.