Home / 15,856.55-23,782.94-4,170.68

Finding the Fourth Proportional to 15,856.55, 23,782.94 and 4,170.68

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Solution

The fourth proportional to 15,856.55, 23,782.94 and 4,170.68 is: 6,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.55 : 23,782.94 = 4,170.68 : x
  2. Step 2: Convert to fraction form
    15,856.55/23,782.94 = 4,170.68/x
  3. Step 3: Cross multiply
    15,856.55x = 23,782.94 × 4,170.68
  4. Step 4: Simplify right side
    15,856.55x = 99,191,032.20
  5. Step 5: Solve for x
    x = 99,191,032.20/15,856.55
  6. Step 6: Final answer
    x = 6,255.52

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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.