Home / 12,712.24-19,154.38-10,568.80

Finding the Fourth Proportional to 12,712.24, 19,154.38 and 10,568.80

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Solution

The fourth proportional to 12,712.24, 19,154.38 and 10,568.80 is: 15,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.24 : 19,154.38 = 10,568.80 : x
  2. Step 2: Convert to fraction form
    12,712.24/19,154.38 = 10,568.80/x
  3. Step 3: Cross multiply
    12,712.24x = 19,154.38 × 10,568.80
  4. Step 4: Simplify right side
    12,712.24x = 202,438,811.34
  5. Step 5: Solve for x
    x = 202,438,811.34/12,712.24
  6. Step 6: Final answer
    x = 15,924.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.