Home / 10,082.36-15,126.98-4,818.98

Finding the Fourth Proportional to 10,082.36, 15,126.98 and 4,818.98

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Solution

The fourth proportional to 10,082.36, 15,126.98 and 4,818.98 is: 7,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.36 : 15,126.98 = 4,818.98 : x
  2. Step 2: Convert to fraction form
    10,082.36/15,126.98 = 4,818.98/x
  3. Step 3: Cross multiply
    10,082.36x = 15,126.98 × 4,818.98
  4. Step 4: Simplify right side
    10,082.36x = 72,896,514.35
  5. Step 5: Solve for x
    x = 72,896,514.35/10,082.36
  6. Step 6: Final answer
    x = 7,230.11

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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.