Home / 10,414.50-15,621.77-4,258.50

Finding the Fourth Proportional to 10,414.50, 15,621.77 and 4,258.50

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Solution

The fourth proportional to 10,414.50, 15,621.77 and 4,258.50 is: 6,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.50 : 15,621.77 = 4,258.50 : x
  2. Step 2: Convert to fraction form
    10,414.50/15,621.77 = 4,258.50/x
  3. Step 3: Cross multiply
    10,414.50x = 15,621.77 × 4,258.50
  4. Step 4: Simplify right side
    10,414.50x = 66,525,307.55
  5. Step 5: Solve for x
    x = 66,525,307.55/10,414.50
  6. Step 6: Final answer
    x = 6,387.76

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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.