Home / 23,870.13-32,940.80-13,260.75

Finding the Fourth Proportional to 23,870.13, 32,940.80 and 13,260.75

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Solution

The fourth proportional to 23,870.13, 32,940.80 and 13,260.75 is: 18,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,870.13 : 32,940.80 = 13,260.75 : x
  2. Step 2: Convert to fraction form
    23,870.13/32,940.80 = 13,260.75/x
  3. Step 3: Cross multiply
    23,870.13x = 32,940.80 × 13,260.75
  4. Step 4: Simplify right side
    23,870.13x = 436,819,713.60
  5. Step 5: Solve for x
    x = 436,819,713.60/23,870.13
  6. Step 6: Final answer
    x = 18,299.85

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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.