Home / 10,528.80-15,785.52-5,594.40

Finding the Fourth Proportional to 10,528.80, 15,785.52 and 5,594.40

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Solution

The fourth proportional to 10,528.80, 15,785.52 and 5,594.40 is: 8,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.80 : 15,785.52 = 5,594.40 : x
  2. Step 2: Convert to fraction form
    10,528.80/15,785.52 = 5,594.40/x
  3. Step 3: Cross multiply
    10,528.80x = 15,785.52 × 5,594.40
  4. Step 4: Simplify right side
    10,528.80x = 88,310,513.09
  5. Step 5: Solve for x
    x = 88,310,513.09/10,528.80
  6. Step 6: Final answer
    x = 8,387.52

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