Home / 10,417.54-15,620.16-4,180.48

Finding the Fourth Proportional to 10,417.54, 15,620.16 and 4,180.48

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Solution

The fourth proportional to 10,417.54, 15,620.16 and 4,180.48 is: 6,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.54 : 15,620.16 = 4,180.48 : x
  2. Step 2: Convert to fraction form
    10,417.54/15,620.16 = 4,180.48/x
  3. Step 3: Cross multiply
    10,417.54x = 15,620.16 × 4,180.48
  4. Step 4: Simplify right side
    10,417.54x = 65,299,766.48
  5. Step 5: Solve for x
    x = 65,299,766.48/10,417.54
  6. Step 6: Final answer
    x = 6,268.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.