Home / 18,864.18-26,034.84-10,908.36

Finding the Fourth Proportional to 18,864.18, 26,034.84 and 10,908.36

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Solution

The fourth proportional to 18,864.18, 26,034.84 and 10,908.36 is: 15,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.18 : 26,034.84 = 10,908.36 : x
  2. Step 2: Convert to fraction form
    18,864.18/26,034.84 = 10,908.36/x
  3. Step 3: Cross multiply
    18,864.18x = 26,034.84 × 10,908.36
  4. Step 4: Simplify right side
    18,864.18x = 283,997,407.26
  5. Step 5: Solve for x
    x = 283,997,407.26/18,864.18
  6. Step 6: Final answer
    x = 15,054.85

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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.