Home / 18,864.26-26,031.57-10,905.92

Finding the Fourth Proportional to 18,864.26, 26,031.57 and 10,905.92

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Solution

The fourth proportional to 18,864.26, 26,031.57 and 10,905.92 is: 15,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.26 : 26,031.57 = 10,905.92 : x
  2. Step 2: Convert to fraction form
    18,864.26/26,031.57 = 10,905.92/x
  3. Step 3: Cross multiply
    18,864.26x = 26,031.57 × 10,905.92
  4. Step 4: Simplify right side
    18,864.26x = 283,898,219.89
  5. Step 5: Solve for x
    x = 283,898,219.89/18,864.26
  6. Step 6: Final answer
    x = 15,049.53

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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.