Home / 10,219.25-15,334.75-4,295.63

Finding the Fourth Proportional to 10,219.25, 15,334.75 and 4,295.63

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Solution

The fourth proportional to 10,219.25, 15,334.75 and 4,295.63 is: 6,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.25 : 15,334.75 = 4,295.63 : x
  2. Step 2: Convert to fraction form
    10,219.25/15,334.75 = 4,295.63/x
  3. Step 3: Cross multiply
    10,219.25x = 15,334.75 × 4,295.63
  4. Step 4: Simplify right side
    10,219.25x = 65,872,335.47
  5. Step 5: Solve for x
    x = 65,872,335.47/10,219.25
  6. Step 6: Final answer
    x = 6,445.91

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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.