Home / 9,520.28-13,137.75-5,271.24

Finding the Fourth Proportional to 9,520.28, 13,137.75 and 5,271.24

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Solution

The fourth proportional to 9,520.28, 13,137.75 and 5,271.24 is: 7,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.28 : 13,137.75 = 5,271.24 : x
  2. Step 2: Convert to fraction form
    9,520.28/13,137.75 = 5,271.24/x
  3. Step 3: Cross multiply
    9,520.28x = 13,137.75 × 5,271.24
  4. Step 4: Simplify right side
    9,520.28x = 69,252,233.31
  5. Step 5: Solve for x
    x = 69,252,233.31/9,520.28
  6. Step 6: Final answer
    x = 7,274.18

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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.