Home / 10,361.59-15,542.48-5,679.05

Finding the Fourth Proportional to 10,361.59, 15,542.48 and 5,679.05

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Solution

The fourth proportional to 10,361.59, 15,542.48 and 5,679.05 is: 8,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.59 : 15,542.48 = 5,679.05 : x
  2. Step 2: Convert to fraction form
    10,361.59/15,542.48 = 5,679.05/x
  3. Step 3: Cross multiply
    10,361.59x = 15,542.48 × 5,679.05
  4. Step 4: Simplify right side
    10,361.59x = 88,266,457.53
  5. Step 5: Solve for x
    x = 88,266,457.53/10,361.59
  6. Step 6: Final answer
    x = 8,518.62

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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.