Home / 10,250.96-15,288.92-8,701.16

Finding the Fourth Proportional to 10,250.96, 15,288.92 and 8,701.16

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Solution

The fourth proportional to 10,250.96, 15,288.92 and 8,701.16 is: 12,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.96 : 15,288.92 = 8,701.16 : x
  2. Step 2: Convert to fraction form
    10,250.96/15,288.92 = 8,701.16/x
  3. Step 3: Cross multiply
    10,250.96x = 15,288.92 × 8,701.16
  4. Step 4: Simplify right side
    10,250.96x = 133,031,339.15
  5. Step 5: Solve for x
    x = 133,031,339.15/10,250.96
  6. Step 6: Final answer
    x = 12,977.45

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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.