Home / 10,320.67-15,495.18-5,327.22

Finding the Fourth Proportional to 10,320.67, 15,495.18 and 5,327.22

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Solution

The fourth proportional to 10,320.67, 15,495.18 and 5,327.22 is: 7,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.67 : 15,495.18 = 5,327.22 : x
  2. Step 2: Convert to fraction form
    10,320.67/15,495.18 = 5,327.22/x
  3. Step 3: Cross multiply
    10,320.67x = 15,495.18 × 5,327.22
  4. Step 4: Simplify right side
    10,320.67x = 82,546,232.80
  5. Step 5: Solve for x
    x = 82,546,232.80/10,320.67
  6. Step 6: Final answer
    x = 7,998.15

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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.