Home / 11,557.20-15,950.88-6,844.08

Finding the Fourth Proportional to 11,557.20, 15,950.88 and 6,844.08

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Solution

The fourth proportional to 11,557.20, 15,950.88 and 6,844.08 is: 9,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.20 : 15,950.88 = 6,844.08 : x
  2. Step 2: Convert to fraction form
    11,557.20/15,950.88 = 6,844.08/x
  3. Step 3: Cross multiply
    11,557.20x = 15,950.88 × 6,844.08
  4. Step 4: Simplify right side
    11,557.20x = 109,169,098.79
  5. Step 5: Solve for x
    x = 109,169,098.79/11,557.20
  6. Step 6: Final answer
    x = 9,445.98

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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.