Home / 15,856.30-23,782.56-4,170.43

Finding the Fourth Proportional to 15,856.30, 23,782.56 and 4,170.43

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Solution

The fourth proportional to 15,856.30, 23,782.56 and 4,170.43 is: 6,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.30 : 23,782.56 = 4,170.43 : x
  2. Step 2: Convert to fraction form
    15,856.30/23,782.56 = 4,170.43/x
  3. Step 3: Cross multiply
    15,856.30x = 23,782.56 × 4,170.43
  4. Step 4: Simplify right side
    15,856.30x = 99,183,501.70
  5. Step 5: Solve for x
    x = 99,183,501.70/15,856.30
  6. Step 6: Final answer
    x = 6,255.15

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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.