Home / 12,102.32-18,147.36-4,701.08

Finding the Fourth Proportional to 12,102.32, 18,147.36 and 4,701.08

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Solution

The fourth proportional to 12,102.32, 18,147.36 and 4,701.08 is: 7,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.32 : 18,147.36 = 4,701.08 : x
  2. Step 2: Convert to fraction form
    12,102.32/18,147.36 = 4,701.08/x
  3. Step 3: Cross multiply
    12,102.32x = 18,147.36 × 4,701.08
  4. Step 4: Simplify right side
    12,102.32x = 85,312,191.15
  5. Step 5: Solve for x
    x = 85,312,191.15/12,102.32
  6. Step 6: Final answer
    x = 7,049.24

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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.