Home / 18,789.60-25,928.96-10,832.16

Finding the Fourth Proportional to 18,789.60, 25,928.96 and 10,832.16

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Solution

The fourth proportional to 18,789.60, 25,928.96 and 10,832.16 is: 14,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.60 : 25,928.96 = 10,832.16 : x
  2. Step 2: Convert to fraction form
    18,789.60/25,928.96 = 10,832.16/x
  3. Step 3: Cross multiply
    18,789.60x = 25,928.96 × 10,832.16
  4. Step 4: Simplify right side
    18,789.60x = 280,866,643.35
  5. Step 5: Solve for x
    x = 280,866,643.35/18,789.60
  6. Step 6: Final answer
    x = 14,947.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.