Home / 12,371.05-17,062.13-10,875.79

Finding the Fourth Proportional to 12,371.05, 17,062.13 and 10,875.79

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Solution

The fourth proportional to 12,371.05, 17,062.13 and 10,875.79 is: 14,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.05 : 17,062.13 = 10,875.79 : x
  2. Step 2: Convert to fraction form
    12,371.05/17,062.13 = 10,875.79/x
  3. Step 3: Cross multiply
    12,371.05x = 17,062.13 × 10,875.79
  4. Step 4: Simplify right side
    12,371.05x = 185,564,003.14
  5. Step 5: Solve for x
    x = 185,564,003.14/12,371.05
  6. Step 6: Final answer
    x = 14,999.86

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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.