Home / 15,551.15-23,327.01-8,170.02

Finding the Fourth Proportional to 15,551.15, 23,327.01 and 8,170.02

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Solution

The fourth proportional to 15,551.15, 23,327.01 and 8,170.02 is: 12,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.15 : 23,327.01 = 8,170.02 : x
  2. Step 2: Convert to fraction form
    15,551.15/23,327.01 = 8,170.02/x
  3. Step 3: Cross multiply
    15,551.15x = 23,327.01 × 8,170.02
  4. Step 4: Simplify right side
    15,551.15x = 190,582,138.24
  5. Step 5: Solve for x
    x = 190,582,138.24/15,551.15
  6. Step 6: Final answer
    x = 12,255.18

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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.