Home / 12,645.70-18,969.47-4,854.52

Finding the Fourth Proportional to 12,645.70, 18,969.47 and 4,854.52

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Solution

The fourth proportional to 12,645.70, 18,969.47 and 4,854.52 is: 7,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.70 : 18,969.47 = 4,854.52 : x
  2. Step 2: Convert to fraction form
    12,645.70/18,969.47 = 4,854.52/x
  3. Step 3: Cross multiply
    12,645.70x = 18,969.47 × 4,854.52
  4. Step 4: Simplify right side
    12,645.70x = 92,087,609.75
  5. Step 5: Solve for x
    x = 92,087,609.75/12,645.70
  6. Step 6: Final answer
    x = 7,282.13

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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.