Home / 9,747.95-13,452.17-5,271.70

Finding the Fourth Proportional to 9,747.95, 13,452.17 and 5,271.70

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Solution

The fourth proportional to 9,747.95, 13,452.17 and 5,271.70 is: 7,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.95 : 13,452.17 = 5,271.70 : x
  2. Step 2: Convert to fraction form
    9,747.95/13,452.17 = 5,271.70/x
  3. Step 3: Cross multiply
    9,747.95x = 13,452.17 × 5,271.70
  4. Step 4: Simplify right side
    9,747.95x = 70,915,784.65
  5. Step 5: Solve for x
    x = 70,915,784.65/9,747.95
  6. Step 6: Final answer
    x = 7,274.95

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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.