Home / 15,144.72-22,710.60-5,281.08

Finding the Fourth Proportional to 15,144.72, 22,710.60 and 5,281.08

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Solution

The fourth proportional to 15,144.72, 22,710.60 and 5,281.08 is: 7,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.72 : 22,710.60 = 5,281.08 : x
  2. Step 2: Convert to fraction form
    15,144.72/22,710.60 = 5,281.08/x
  3. Step 3: Cross multiply
    15,144.72x = 22,710.60 × 5,281.08
  4. Step 4: Simplify right side
    15,144.72x = 119,936,495.45
  5. Step 5: Solve for x
    x = 119,936,495.45/15,144.72
  6. Step 6: Final answer
    x = 7,919.36

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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.