Home / 18,852.73-28,279.50-5,705.08

Finding the Fourth Proportional to 18,852.73, 28,279.50 and 5,705.08

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Solution

The fourth proportional to 18,852.73, 28,279.50 and 5,705.08 is: 8,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.73 : 28,279.50 = 5,705.08 : x
  2. Step 2: Convert to fraction form
    18,852.73/28,279.50 = 5,705.08/x
  3. Step 3: Cross multiply
    18,852.73x = 28,279.50 × 5,705.08
  4. Step 4: Simplify right side
    18,852.73x = 161,336,809.86
  5. Step 5: Solve for x
    x = 161,336,809.86/18,852.73
  6. Step 6: Final answer
    x = 8,557.74

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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.