Home / 18,349.66-25,333.02-12,080.26

Finding the Fourth Proportional to 18,349.66, 25,333.02 and 12,080.26

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Solution

The fourth proportional to 18,349.66, 25,333.02 and 12,080.26 is: 16,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.66 : 25,333.02 = 12,080.26 : x
  2. Step 2: Convert to fraction form
    18,349.66/25,333.02 = 12,080.26/x
  3. Step 3: Cross multiply
    18,349.66x = 25,333.02 × 12,080.26
  4. Step 4: Simplify right side
    18,349.66x = 306,029,468.19
  5. Step 5: Solve for x
    x = 306,029,468.19/18,349.66
  6. Step 6: Final answer
    x = 16,677.66

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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.