Home / 10,352.40-15,528.72-2,956.80

Finding the Fourth Proportional to 10,352.40, 15,528.72 and 2,956.80

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Solution

The fourth proportional to 10,352.40, 15,528.72 and 2,956.80 is: 4,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.40 : 15,528.72 = 2,956.80 : x
  2. Step 2: Convert to fraction form
    10,352.40/15,528.72 = 2,956.80/x
  3. Step 3: Cross multiply
    10,352.40x = 15,528.72 × 2,956.80
  4. Step 4: Simplify right side
    10,352.40x = 45,915,319.30
  5. Step 5: Solve for x
    x = 45,915,319.30/10,352.40
  6. Step 6: Final answer
    x = 4,435.23

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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.