Home / 18,139.58-25,042.02-14,097.38

Finding the Fourth Proportional to 18,139.58, 25,042.02 and 14,097.38

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Solution

The fourth proportional to 18,139.58, 25,042.02 and 14,097.38 is: 19,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.58 : 25,042.02 = 14,097.38 : x
  2. Step 2: Convert to fraction form
    18,139.58/25,042.02 = 14,097.38/x
  3. Step 3: Cross multiply
    18,139.58x = 25,042.02 × 14,097.38
  4. Step 4: Simplify right side
    18,139.58x = 353,026,801.42
  5. Step 5: Solve for x
    x = 353,026,801.42/18,139.58
  6. Step 6: Final answer
    x = 19,461.69

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Half scale
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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.