Home / 15,232.75-22,838.71-8,118.06

Finding the Fourth Proportional to 15,232.75, 22,838.71 and 8,118.06

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Solution

The fourth proportional to 15,232.75, 22,838.71 and 8,118.06 is: 12,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.75 : 22,838.71 = 8,118.06 : x
  2. Step 2: Convert to fraction form
    15,232.75/22,838.71 = 8,118.06/x
  3. Step 3: Cross multiply
    15,232.75x = 22,838.71 × 8,118.06
  4. Step 4: Simplify right side
    15,232.75x = 185,406,018.10
  5. Step 5: Solve for x
    x = 185,406,018.10/15,232.75
  6. Step 6: Final answer
    x = 12,171.54

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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.