Home / 18,305.16-25,281.87-12,326.43

Finding the Fourth Proportional to 18,305.16, 25,281.87 and 12,326.43

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Solution

The fourth proportional to 18,305.16, 25,281.87 and 12,326.43 is: 17,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.16 : 25,281.87 = 12,326.43 : x
  2. Step 2: Convert to fraction form
    18,305.16/25,281.87 = 12,326.43/x
  3. Step 3: Cross multiply
    18,305.16x = 25,281.87 × 12,326.43
  4. Step 4: Simplify right side
    18,305.16x = 311,635,200.82
  5. Step 5: Solve for x
    x = 311,635,200.82/18,305.16
  6. Step 6: Final answer
    x = 17,024.45

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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.