Home / 11,362.05-15,679.95-6,581.55

Finding the Fourth Proportional to 11,362.05, 15,679.95 and 6,581.55

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Solution

The fourth proportional to 11,362.05, 15,679.95 and 6,581.55 is: 9,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.05 : 15,679.95 = 6,581.55 : x
  2. Step 2: Convert to fraction form
    11,362.05/15,679.95 = 6,581.55/x
  3. Step 3: Cross multiply
    11,362.05x = 15,679.95 × 6,581.55
  4. Step 4: Simplify right side
    11,362.05x = 103,198,374.92
  5. Step 5: Solve for x
    x = 103,198,374.92/11,362.05
  6. Step 6: Final answer
    x = 9,082.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.