Home / 14,947.20-22,388.40-13,305.60

Finding the Fourth Proportional to 14,947.20, 22,388.40 and 13,305.60

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Solution

The fourth proportional to 14,947.20, 22,388.40 and 13,305.60 is: 19,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.20 : 22,388.40 = 13,305.60 : x
  2. Step 2: Convert to fraction form
    14,947.20/22,388.40 = 13,305.60/x
  3. Step 3: Cross multiply
    14,947.20x = 22,388.40 × 13,305.60
  4. Step 4: Simplify right side
    14,947.20x = 297,891,095.04
  5. Step 5: Solve for x
    x = 297,891,095.04/14,947.20
  6. Step 6: Final answer
    x = 19,929.56

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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.