Home / 10,156.27-15,197.47-8,384.80

Finding the Fourth Proportional to 10,156.27, 15,197.47 and 8,384.80

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Solution

The fourth proportional to 10,156.27, 15,197.47 and 8,384.80 is: 12,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.27 : 15,197.47 = 8,384.80 : x
  2. Step 2: Convert to fraction form
    10,156.27/15,197.47 = 8,384.80/x
  3. Step 3: Cross multiply
    10,156.27x = 15,197.47 × 8,384.80
  4. Step 4: Simplify right side
    10,156.27x = 127,427,746.46
  5. Step 5: Solve for x
    x = 127,427,746.46/10,156.27
  6. Step 6: Final answer
    x = 12,546.71

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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.