Home / 10,276.39-15,414.59-2,485.20

Finding the Fourth Proportional to 10,276.39, 15,414.59 and 2,485.20

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Solution

The fourth proportional to 10,276.39, 15,414.59 and 2,485.20 is: 3,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.39 : 15,414.59 = 2,485.20 : x
  2. Step 2: Convert to fraction form
    10,276.39/15,414.59 = 2,485.20/x
  3. Step 3: Cross multiply
    10,276.39x = 15,414.59 × 2,485.20
  4. Step 4: Simplify right side
    10,276.39x = 38,308,339.07
  5. Step 5: Solve for x
    x = 38,308,339.07/10,276.39
  6. Step 6: Final answer
    x = 3,727.80

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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.