Home / 23,819.65-32,868.78-13,209.07

Finding the Fourth Proportional to 23,819.65, 32,868.78 and 13,209.07

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Solution

The fourth proportional to 23,819.65, 32,868.78 and 13,209.07 is: 18,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,819.65 : 32,868.78 = 13,209.07 : x
  2. Step 2: Convert to fraction form
    23,819.65/32,868.78 = 13,209.07/x
  3. Step 3: Cross multiply
    23,819.65x = 32,868.78 × 13,209.07
  4. Step 4: Simplify right side
    23,819.65x = 434,166,015.83
  5. Step 5: Solve for x
    x = 434,166,015.83/23,819.65
  6. Step 6: Final answer
    x = 18,227.22

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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.