Home / 9,520.41-13,138.02-5,271.39

Finding the Fourth Proportional to 9,520.41, 13,138.02 and 5,271.39

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Solution

The fourth proportional to 9,520.41, 13,138.02 and 5,271.39 is: 7,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.41 : 13,138.02 = 5,271.39 : x
  2. Step 2: Convert to fraction form
    9,520.41/13,138.02 = 5,271.39/x
  3. Step 3: Cross multiply
    9,520.41x = 13,138.02 × 5,271.39
  4. Step 4: Simplify right side
    9,520.41x = 69,255,627.25
  5. Step 5: Solve for x
    x = 69,255,627.25/9,520.41
  6. Step 6: Final answer
    x = 7,274.44

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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.