Home / 18,947.65-28,446.08-14,568.19

Finding the Fourth Proportional to 18,947.65, 28,446.08 and 14,568.19

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Solution

The fourth proportional to 18,947.65, 28,446.08 and 14,568.19 is: 21,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.65 : 28,446.08 = 14,568.19 : x
  2. Step 2: Convert to fraction form
    18,947.65/28,446.08 = 14,568.19/x
  3. Step 3: Cross multiply
    18,947.65x = 28,446.08 × 14,568.19
  4. Step 4: Simplify right side
    18,947.65x = 414,407,898.20
  5. Step 5: Solve for x
    x = 414,407,898.20/18,947.65
  6. Step 6: Final answer
    x = 21,871.20

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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.