Home / 12,244.20-18,342.70-7,317.80

Finding the Fourth Proportional to 12,244.20, 18,342.70 and 7,317.80

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Solution

The fourth proportional to 12,244.20, 18,342.70 and 7,317.80 is: 10,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.20 : 18,342.70 = 7,317.80 : x
  2. Step 2: Convert to fraction form
    12,244.20/18,342.70 = 7,317.80/x
  3. Step 3: Cross multiply
    12,244.20x = 18,342.70 × 7,317.80
  4. Step 4: Simplify right side
    12,244.20x = 134,228,210.06
  5. Step 5: Solve for x
    x = 134,228,210.06/12,244.20
  6. Step 6: Final answer
    x = 10,962.60

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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.