Home / 9,520.52-13,137.87-5,271.28

Finding the Fourth Proportional to 9,520.52, 13,137.87 and 5,271.28

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Solution

The fourth proportional to 9,520.52, 13,137.87 and 5,271.28 is: 7,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.52 : 13,137.87 = 5,271.28 : x
  2. Step 2: Convert to fraction form
    9,520.52/13,137.87 = 5,271.28/x
  3. Step 3: Cross multiply
    9,520.52x = 13,137.87 × 5,271.28
  4. Step 4: Simplify right side
    9,520.52x = 69,253,378.30
  5. Step 5: Solve for x
    x = 69,253,378.30/9,520.52
  6. Step 6: Final answer
    x = 7,274.12

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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.