Home / 18,376.00-25,357.46-10,821.13

Finding the Fourth Proportional to 18,376.00, 25,357.46 and 10,821.13

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Solution

The fourth proportional to 18,376.00, 25,357.46 and 10,821.13 is: 14,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.00 : 25,357.46 = 10,821.13 : x
  2. Step 2: Convert to fraction form
    18,376.00/25,357.46 = 10,821.13/x
  3. Step 3: Cross multiply
    18,376.00x = 25,357.46 × 10,821.13
  4. Step 4: Simplify right side
    18,376.00x = 274,396,253.63
  5. Step 5: Solve for x
    x = 274,396,253.63/18,376.00
  6. Step 6: Final answer
    x = 14,932.32

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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.