Home / 12,549.53-17,316.50-8,079.33

Finding the Fourth Proportional to 12,549.53, 17,316.50 and 8,079.33

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Solution

The fourth proportional to 12,549.53, 17,316.50 and 8,079.33 is: 11,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.53 : 17,316.50 = 8,079.33 : x
  2. Step 2: Convert to fraction form
    12,549.53/17,316.50 = 8,079.33/x
  3. Step 3: Cross multiply
    12,549.53x = 17,316.50 × 8,079.33
  4. Step 4: Simplify right side
    12,549.53x = 139,905,717.95
  5. Step 5: Solve for x
    x = 139,905,717.95/12,549.53
  6. Step 6: Final answer
    x = 11,148.28

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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.