Home / 11,568.72-15,966.28-6,854.80

Finding the Fourth Proportional to 11,568.72, 15,966.28 and 6,854.80

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Solution

The fourth proportional to 11,568.72, 15,966.28 and 6,854.80 is: 9,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.72 : 15,966.28 = 6,854.80 : x
  2. Step 2: Convert to fraction form
    11,568.72/15,966.28 = 6,854.80/x
  3. Step 3: Cross multiply
    11,568.72x = 15,966.28 × 6,854.80
  4. Step 4: Simplify right side
    11,568.72x = 109,445,656.14
  5. Step 5: Solve for x
    x = 109,445,656.14/11,568.72
  6. Step 6: Final answer
    x = 9,460.48

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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.