Home / 19,660.77-27,132.35-10,708.76

Finding the Fourth Proportional to 19,660.77, 27,132.35 and 10,708.76

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Solution

The fourth proportional to 19,660.77, 27,132.35 and 10,708.76 is: 14,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.77 : 27,132.35 = 10,708.76 : x
  2. Step 2: Convert to fraction form
    19,660.77/27,132.35 = 10,708.76/x
  3. Step 3: Cross multiply
    19,660.77x = 27,132.35 × 10,708.76
  4. Step 4: Simplify right side
    19,660.77x = 290,553,635.18
  5. Step 5: Solve for x
    x = 290,553,635.18/19,660.77
  6. Step 6: Final answer
    x = 14,778.34

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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.