Home / 12,065.40-18,091.86-4,273.08

Finding the Fourth Proportional to 12,065.40, 18,091.86 and 4,273.08

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Solution

The fourth proportional to 12,065.40, 18,091.86 and 4,273.08 is: 6,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.40 : 18,091.86 = 4,273.08 : x
  2. Step 2: Convert to fraction form
    12,065.40/18,091.86 = 4,273.08/x
  3. Step 3: Cross multiply
    12,065.40x = 18,091.86 × 4,273.08
  4. Step 4: Simplify right side
    12,065.40x = 77,307,965.13
  5. Step 5: Solve for x
    x = 77,307,965.13/12,065.40
  6. Step 6: Final answer
    x = 6,407.41

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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.