Home / 10,276.47-15,405.39-6,579.63

Finding the Fourth Proportional to 10,276.47, 15,405.39 and 6,579.63

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Solution

The fourth proportional to 10,276.47, 15,405.39 and 6,579.63 is: 9,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.47 : 15,405.39 = 6,579.63 : x
  2. Step 2: Convert to fraction form
    10,276.47/15,405.39 = 6,579.63/x
  3. Step 3: Cross multiply
    10,276.47x = 15,405.39 × 6,579.63
  4. Step 4: Simplify right side
    10,276.47x = 101,361,766.21
  5. Step 5: Solve for x
    x = 101,361,766.21/10,276.47
  6. Step 6: Final answer
    x = 9,863.48

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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.