Home / 15,148.83-22,728.72-5,289.57

Finding the Fourth Proportional to 15,148.83, 22,728.72 and 5,289.57

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Solution

The fourth proportional to 15,148.83, 22,728.72 and 5,289.57 is: 7,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.83 : 22,728.72 = 5,289.57 : x
  2. Step 2: Convert to fraction form
    15,148.83/22,728.72 = 5,289.57/x
  3. Step 3: Cross multiply
    15,148.83x = 22,728.72 × 5,289.57
  4. Step 4: Simplify right side
    15,148.83x = 120,225,175.29
  5. Step 5: Solve for x
    x = 120,225,175.29/15,148.83
  6. Step 6: Final answer
    x = 7,936.27

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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.