Home / 9,512.24-13,127.60-5,480.30

Finding the Fourth Proportional to 9,512.24, 13,127.60 and 5,480.30

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Solution

The fourth proportional to 9,512.24, 13,127.60 and 5,480.30 is: 7,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.24 : 13,127.60 = 5,480.30 : x
  2. Step 2: Convert to fraction form
    9,512.24/13,127.60 = 5,480.30/x
  3. Step 3: Cross multiply
    9,512.24x = 13,127.60 × 5,480.30
  4. Step 4: Simplify right side
    9,512.24x = 71,943,232.80
  5. Step 5: Solve for x
    x = 71,943,232.80/9,512.24
  6. Step 6: Final answer
    x = 7,563.23

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Double scale
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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.