Home / 15,185.28-22,778.55-7,392.27

Finding the Fourth Proportional to 15,185.28, 22,778.55 and 7,392.27

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Solution

The fourth proportional to 15,185.28, 22,778.55 and 7,392.27 is: 11,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.28 : 22,778.55 = 7,392.27 : x
  2. Step 2: Convert to fraction form
    15,185.28/22,778.55 = 7,392.27/x
  3. Step 3: Cross multiply
    15,185.28x = 22,778.55 × 7,392.27
  4. Step 4: Simplify right side
    15,185.28x = 168,385,191.81
  5. Step 5: Solve for x
    x = 168,385,191.81/15,185.28
  6. Step 6: Final answer
    x = 11,088.71

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1.5x scale

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.