Home / 11,248.42-15,522.57-6,143.77

Finding the Fourth Proportional to 11,248.42, 15,522.57 and 6,143.77

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Solution

The fourth proportional to 11,248.42, 15,522.57 and 6,143.77 is: 8,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.42 : 15,522.57 = 6,143.77 : x
  2. Step 2: Convert to fraction form
    11,248.42/15,522.57 = 6,143.77/x
  3. Step 3: Cross multiply
    11,248.42x = 15,522.57 × 6,143.77
  4. Step 4: Simplify right side
    11,248.42x = 95,367,022.28
  5. Step 5: Solve for x
    x = 95,367,022.28/11,248.42
  6. Step 6: Final answer
    x = 8,478.26

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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.