Home / 19,003.56-28,511.10-9,140.04

Finding the Fourth Proportional to 19,003.56, 28,511.10 and 9,140.04

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Solution

The fourth proportional to 19,003.56, 28,511.10 and 9,140.04 is: 13,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.56 : 28,511.10 = 9,140.04 : x
  2. Step 2: Convert to fraction form
    19,003.56/28,511.10 = 9,140.04/x
  3. Step 3: Cross multiply
    19,003.56x = 28,511.10 × 9,140.04
  4. Step 4: Simplify right side
    19,003.56x = 260,592,594.44
  5. Step 5: Solve for x
    x = 260,592,594.44/19,003.56
  6. Step 6: Final answer
    x = 13,712.83

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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.