Home / 12,542.02-17,319.70-8,073.53

Finding the Fourth Proportional to 12,542.02, 17,319.70 and 8,073.53

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Solution

The fourth proportional to 12,542.02, 17,319.70 and 8,073.53 is: 11,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.02 : 17,319.70 = 8,073.53 : x
  2. Step 2: Convert to fraction form
    12,542.02/17,319.70 = 8,073.53/x
  3. Step 3: Cross multiply
    12,542.02x = 17,319.70 × 8,073.53
  4. Step 4: Simplify right side
    12,542.02x = 139,831,105.98
  5. Step 5: Solve for x
    x = 139,831,105.98/12,542.02
  6. Step 6: Final answer
    x = 11,149.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.