Home / 18,146.32-25,042.02-10,188.64

Finding the Fourth Proportional to 18,146.32, 25,042.02 and 10,188.64

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Solution

The fourth proportional to 18,146.32, 25,042.02 and 10,188.64 is: 14,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.32 : 25,042.02 = 10,188.64 : x
  2. Step 2: Convert to fraction form
    18,146.32/25,042.02 = 10,188.64/x
  3. Step 3: Cross multiply
    18,146.32x = 25,042.02 × 10,188.64
  4. Step 4: Simplify right side
    18,146.32x = 255,144,126.65
  5. Step 5: Solve for x
    x = 255,144,126.65/18,146.32
  6. Step 6: Final answer
    x = 14,060.38

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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.