Home / 11,570.42-15,967.04-6,854.78

Finding the Fourth Proportional to 11,570.42, 15,967.04 and 6,854.78

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Solution

The fourth proportional to 11,570.42, 15,967.04 and 6,854.78 is: 9,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.42 : 15,967.04 = 6,854.78 : x
  2. Step 2: Convert to fraction form
    11,570.42/15,967.04 = 6,854.78/x
  3. Step 3: Cross multiply
    11,570.42x = 15,967.04 × 6,854.78
  4. Step 4: Simplify right side
    11,570.42x = 109,450,546.45
  5. Step 5: Solve for x
    x = 109,450,546.45/11,570.42
  6. Step 6: Final answer
    x = 9,459.51

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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.