Home / 12,527.87-18,789.77-3,761.24

Finding the Fourth Proportional to 12,527.87, 18,789.77 and 3,761.24

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Solution

The fourth proportional to 12,527.87, 18,789.77 and 3,761.24 is: 5,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.87 : 18,789.77 = 3,761.24 : x
  2. Step 2: Convert to fraction form
    12,527.87/18,789.77 = 3,761.24/x
  3. Step 3: Cross multiply
    12,527.87x = 18,789.77 × 3,761.24
  4. Step 4: Simplify right side
    12,527.87x = 70,672,834.51
  5. Step 5: Solve for x
    x = 70,672,834.51/12,527.87
  6. Step 6: Final answer
    x = 5,641.25

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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.