Home / 10,956.60-16,422.53-5,398.28

Finding the Fourth Proportional to 10,956.60, 16,422.53 and 5,398.28

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Solution

The fourth proportional to 10,956.60, 16,422.53 and 5,398.28 is: 8,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.60 : 16,422.53 = 5,398.28 : x
  2. Step 2: Convert to fraction form
    10,956.60/16,422.53 = 5,398.28/x
  3. Step 3: Cross multiply
    10,956.60x = 16,422.53 × 5,398.28
  4. Step 4: Simplify right side
    10,956.60x = 88,653,306.14
  5. Step 5: Solve for x
    x = 88,653,306.14/10,956.60
  6. Step 6: Final answer
    x = 8,091.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.