Home / 12,062.72-18,095.68-4,270.08

Finding the Fourth Proportional to 12,062.72, 18,095.68 and 4,270.08

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Solution

The fourth proportional to 12,062.72, 18,095.68 and 4,270.08 is: 6,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.72 : 18,095.68 = 4,270.08 : x
  2. Step 2: Convert to fraction form
    12,062.72/18,095.68 = 4,270.08/x
  3. Step 3: Cross multiply
    12,062.72x = 18,095.68 × 4,270.08
  4. Step 4: Simplify right side
    12,062.72x = 77,270,001.25
  5. Step 5: Solve for x
    x = 77,270,001.25/12,062.72
  6. Step 6: Final answer
    x = 6,405.69

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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.