Home / 14,581.20-21,828.60-8,749.20

Finding the Fourth Proportional to 14,581.20, 21,828.60 and 8,749.20

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Solution

The fourth proportional to 14,581.20, 21,828.60 and 8,749.20 is: 13,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.20 : 21,828.60 = 8,749.20 : x
  2. Step 2: Convert to fraction form
    14,581.20/21,828.60 = 8,749.20/x
  3. Step 3: Cross multiply
    14,581.20x = 21,828.60 × 8,749.20
  4. Step 4: Simplify right side
    14,581.20x = 190,982,787.12
  5. Step 5: Solve for x
    x = 190,982,787.12/14,581.20
  6. Step 6: Final answer
    x = 13,097.88

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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.