Home / 22,845.56-34,259.70-8,987

Finding the Fourth Proportional to 22,845.56, 34,259.70 and 8,987

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Solution

The fourth proportional to 22,845.56, 34,259.70 and 8,987 is: 13,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.56 : 34,259.70 = 8,987 : x
  2. Step 2: Convert to fraction form
    22,845.56/34,259.70 = 8,987/x
  3. Step 3: Cross multiply
    22,845.56x = 34,259.70 × 8,987
  4. Step 4: Simplify right side
    22,845.56x = 307,891,923.90
  5. Step 5: Solve for x
    x = 307,891,923.90/22,845.56
  6. Step 6: Final answer
    x = 13,477.10

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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.