Home / 19,006.20-28,466.10-9,761.40

Finding the Fourth Proportional to 19,006.20, 28,466.10 and 9,761.40

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Solution

The fourth proportional to 19,006.20, 28,466.10 and 9,761.40 is: 14,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.20 : 28,466.10 = 9,761.40 : x
  2. Step 2: Convert to fraction form
    19,006.20/28,466.10 = 9,761.40/x
  3. Step 3: Cross multiply
    19,006.20x = 28,466.10 × 9,761.40
  4. Step 4: Simplify right side
    19,006.20x = 277,868,988.54
  5. Step 5: Solve for x
    x = 277,868,988.54/19,006.20
  6. Step 6: Final answer
    x = 14,619.91

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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.