Home / 19,246.20-28,862.10-6,761.40

Finding the Fourth Proportional to 19,246.20, 28,862.10 and 6,761.40

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Solution

The fourth proportional to 19,246.20, 28,862.10 and 6,761.40 is: 10,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.20 : 28,862.10 = 6,761.40 : x
  2. Step 2: Convert to fraction form
    19,246.20/28,862.10 = 6,761.40/x
  3. Step 3: Cross multiply
    19,246.20x = 28,862.10 × 6,761.40
  4. Step 4: Simplify right side
    19,246.20x = 195,148,202.94
  5. Step 5: Solve for x
    x = 195,148,202.94/19,246.20
  6. Step 6: Final answer
    x = 10,139.57

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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.