Home / 10,551.12-15,826.56-4,395.12

Finding the Fourth Proportional to 10,551.12, 15,826.56 and 4,395.12

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Solution

The fourth proportional to 10,551.12, 15,826.56 and 4,395.12 is: 6,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.12 : 15,826.56 = 4,395.12 : x
  2. Step 2: Convert to fraction form
    10,551.12/15,826.56 = 4,395.12/x
  3. Step 3: Cross multiply
    10,551.12x = 15,826.56 × 4,395.12
  4. Step 4: Simplify right side
    10,551.12x = 69,559,630.39
  5. Step 5: Solve for x
    x = 69,559,630.39/10,551.12
  6. Step 6: Final answer
    x = 6,592.63

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Similar ratio
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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.