Home / 9,528.60-13,143.15-7,536

Finding the Fourth Proportional to 9,528.60, 13,143.15 and 7,536

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Solution

The fourth proportional to 9,528.60, 13,143.15 and 7,536 is: 10,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.60 : 13,143.15 = 7,536 : x
  2. Step 2: Convert to fraction form
    9,528.60/13,143.15 = 7,536/x
  3. Step 3: Cross multiply
    9,528.60x = 13,143.15 × 7,536
  4. Step 4: Simplify right side
    9,528.60x = 99,046,778.40
  5. Step 5: Solve for x
    x = 99,046,778.40/9,528.60
  6. Step 6: Final answer
    x = 10,394.68

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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.