Home / 12,127.02-18,190.53-4,335.36

Finding the Fourth Proportional to 12,127.02, 18,190.53 and 4,335.36

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Solution

The fourth proportional to 12,127.02, 18,190.53 and 4,335.36 is: 6,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.02 : 18,190.53 = 4,335.36 : x
  2. Step 2: Convert to fraction form
    12,127.02/18,190.53 = 4,335.36/x
  3. Step 3: Cross multiply
    12,127.02x = 18,190.53 × 4,335.36
  4. Step 4: Simplify right side
    12,127.02x = 78,862,496.14
  5. Step 5: Solve for x
    x = 78,862,496.14/12,127.02
  6. Step 6: Final answer
    x = 6,503.04

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Similar ratio
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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.