Home / 11,526.92-15,873.66-10,013.78

Finding the Fourth Proportional to 11,526.92, 15,873.66 and 10,013.78

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Solution

The fourth proportional to 11,526.92, 15,873.66 and 10,013.78 is: 13,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.92 : 15,873.66 = 10,013.78 : x
  2. Step 2: Convert to fraction form
    11,526.92/15,873.66 = 10,013.78/x
  3. Step 3: Cross multiply
    11,526.92x = 15,873.66 × 10,013.78
  4. Step 4: Simplify right side
    11,526.92x = 158,955,339.03
  5. Step 5: Solve for x
    x = 158,955,339.03/11,526.92
  6. Step 6: Final answer
    x = 13,789.92

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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.