Home / 10,198.38-15,284.70-5,818.32

Finding the Fourth Proportional to 10,198.38, 15,284.70 and 5,818.32

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Solution

The fourth proportional to 10,198.38, 15,284.70 and 5,818.32 is: 8,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.38 : 15,284.70 = 5,818.32 : x
  2. Step 2: Convert to fraction form
    10,198.38/15,284.70 = 5,818.32/x
  3. Step 3: Cross multiply
    10,198.38x = 15,284.70 × 5,818.32
  4. Step 4: Simplify right side
    10,198.38x = 88,931,275.70
  5. Step 5: Solve for x
    x = 88,931,275.70/10,198.38
  6. Step 6: Final answer
    x = 8,720.14

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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.