Home / 10,182.45-15,275.49-5,250.76

Finding the Fourth Proportional to 10,182.45, 15,275.49 and 5,250.76

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Solution

The fourth proportional to 10,182.45, 15,275.49 and 5,250.76 is: 7,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.45 : 15,275.49 = 5,250.76 : x
  2. Step 2: Convert to fraction form
    10,182.45/15,275.49 = 5,250.76/x
  3. Step 3: Cross multiply
    10,182.45x = 15,275.49 × 5,250.76
  4. Step 4: Simplify right side
    10,182.45x = 80,207,931.87
  5. Step 5: Solve for x
    x = 80,207,931.87/10,182.45
  6. Step 6: Final answer
    x = 7,877.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.