Home / 18,962.17-26,173-11,006.96

Finding the Fourth Proportional to 18,962.17, 26,173 and 11,006.96

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Solution

The fourth proportional to 18,962.17, 26,173 and 11,006.96 is: 15,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.17 : 26,173 = 11,006.96 : x
  2. Step 2: Convert to fraction form
    18,962.17/26,173 = 11,006.96/x
  3. Step 3: Cross multiply
    18,962.17x = 26,173 × 11,006.96
  4. Step 4: Simplify right side
    18,962.17x = 288,085,164.08
  5. Step 5: Solve for x
    x = 288,085,164.08/18,962.17
  6. Step 6: Final answer
    x = 15,192.63

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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.