Home / 12,761.08-19,139.46-3,527.08

Finding the Fourth Proportional to 12,761.08, 19,139.46 and 3,527.08

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Solution

The fourth proportional to 12,761.08, 19,139.46 and 3,527.08 is: 5,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.08 : 19,139.46 = 3,527.08 : x
  2. Step 2: Convert to fraction form
    12,761.08/19,139.46 = 3,527.08/x
  3. Step 3: Cross multiply
    12,761.08x = 19,139.46 × 3,527.08
  4. Step 4: Simplify right side
    12,761.08x = 67,506,406.58
  5. Step 5: Solve for x
    x = 67,506,406.58/12,761.08
  6. Step 6: Final answer
    x = 5,290.02

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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.