Home / 15,856.66-23,783.10-4,170.79

Finding the Fourth Proportional to 15,856.66, 23,783.10 and 4,170.79

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Solution

The fourth proportional to 15,856.66, 23,783.10 and 4,170.79 is: 6,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.66 : 23,783.10 = 4,170.79 : x
  2. Step 2: Convert to fraction form
    15,856.66/23,783.10 = 4,170.79/x
  3. Step 3: Cross multiply
    15,856.66x = 23,783.10 × 4,170.79
  4. Step 4: Simplify right side
    15,856.66x = 99,194,353.20
  5. Step 5: Solve for x
    x = 99,194,353.20/15,856.66
  6. Step 6: Final answer
    x = 6,255.69

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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.