Home / 18,323.04-25,285.84-9,939.54

Finding the Fourth Proportional to 18,323.04, 25,285.84 and 9,939.54

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Solution

The fourth proportional to 18,323.04, 25,285.84 and 9,939.54 is: 13,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.04 : 25,285.84 = 9,939.54 : x
  2. Step 2: Convert to fraction form
    18,323.04/25,285.84 = 9,939.54/x
  3. Step 3: Cross multiply
    18,323.04x = 25,285.84 × 9,939.54
  4. Step 4: Simplify right side
    18,323.04x = 251,329,618.11
  5. Step 5: Solve for x
    x = 251,329,618.11/18,323.04
  6. Step 6: Final answer
    x = 13,716.59

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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.