Home / 10,247.38-15,360.12-7,316.80

Finding the Fourth Proportional to 10,247.38, 15,360.12 and 7,316.80

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Solution

The fourth proportional to 10,247.38, 15,360.12 and 7,316.80 is: 10,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.38 : 15,360.12 = 7,316.80 : x
  2. Step 2: Convert to fraction form
    10,247.38/15,360.12 = 7,316.80/x
  3. Step 3: Cross multiply
    10,247.38x = 15,360.12 × 7,316.80
  4. Step 4: Simplify right side
    10,247.38x = 112,386,926.02
  5. Step 5: Solve for x
    x = 112,386,926.02/10,247.38
  6. Step 6: Final answer
    x = 10,967.38

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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.