Home / 18,876.06-28,298.70-9,504.90

Finding the Fourth Proportional to 18,876.06, 28,298.70 and 9,504.90

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Solution

The fourth proportional to 18,876.06, 28,298.70 and 9,504.90 is: 14,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.06 : 28,298.70 = 9,504.90 : x
  2. Step 2: Convert to fraction form
    18,876.06/28,298.70 = 9,504.90/x
  3. Step 3: Cross multiply
    18,876.06x = 28,298.70 × 9,504.90
  4. Step 4: Simplify right side
    18,876.06x = 268,976,313.63
  5. Step 5: Solve for x
    x = 268,976,313.63/18,876.06
  6. Step 6: Final answer
    x = 14,249.60

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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.