Home / 9,528.30-13,149.14-5,336.55

Finding the Fourth Proportional to 9,528.30, 13,149.14 and 5,336.55

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Solution

The fourth proportional to 9,528.30, 13,149.14 and 5,336.55 is: 7,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.30 : 13,149.14 = 5,336.55 : x
  2. Step 2: Convert to fraction form
    9,528.30/13,149.14 = 5,336.55/x
  3. Step 3: Cross multiply
    9,528.30x = 13,149.14 × 5,336.55
  4. Step 4: Simplify right side
    9,528.30x = 70,171,016.38
  5. Step 5: Solve for x
    x = 70,171,016.38/9,528.30
  6. Step 6: Final answer
    x = 7,364.48

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1.5x scale

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.