Home / 18,451.08-25,469.07-10,897.45

Finding the Fourth Proportional to 18,451.08, 25,469.07 and 10,897.45

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Solution

The fourth proportional to 18,451.08, 25,469.07 and 10,897.45 is: 15,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.08 : 25,469.07 = 10,897.45 : x
  2. Step 2: Convert to fraction form
    18,451.08/25,469.07 = 10,897.45/x
  3. Step 3: Cross multiply
    18,451.08x = 25,469.07 × 10,897.45
  4. Step 4: Simplify right side
    18,451.08x = 277,547,853.20
  5. Step 5: Solve for x
    x = 277,547,853.20/18,451.08
  6. Step 6: Final answer
    x = 15,042.36

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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.