Home / 11,001.28-15,178-6,282.24

Finding the Fourth Proportional to 11,001.28, 15,178 and 6,282.24

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Solution

The fourth proportional to 11,001.28, 15,178 and 6,282.24 is: 8,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.28 : 15,178 = 6,282.24 : x
  2. Step 2: Convert to fraction form
    11,001.28/15,178 = 6,282.24/x
  3. Step 3: Cross multiply
    11,001.28x = 15,178 × 6,282.24
  4. Step 4: Simplify right side
    11,001.28x = 95,351,838.72
  5. Step 5: Solve for x
    x = 95,351,838.72/11,001.28
  6. Step 6: Final answer
    x = 8,667.34

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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.