Home / 19,236.56-28,869.96-9,876.20

Finding the Fourth Proportional to 19,236.56, 28,869.96 and 9,876.20

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Solution

The fourth proportional to 19,236.56, 28,869.96 and 9,876.20 is: 14,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.56 : 28,869.96 = 9,876.20 : x
  2. Step 2: Convert to fraction form
    19,236.56/28,869.96 = 9,876.20/x
  3. Step 3: Cross multiply
    19,236.56x = 28,869.96 × 9,876.20
  4. Step 4: Simplify right side
    19,236.56x = 285,125,498.95
  5. Step 5: Solve for x
    x = 285,125,498.95/19,236.56
  6. Step 6: Final answer
    x = 14,822.06

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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.