Home / 16,685.36-25,040.37-13,437.65

Finding the Fourth Proportional to 16,685.36, 25,040.37 and 13,437.65

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Solution

The fourth proportional to 16,685.36, 25,040.37 and 13,437.65 is: 20,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.36 : 25,040.37 = 13,437.65 : x
  2. Step 2: Convert to fraction form
    16,685.36/25,040.37 = 13,437.65/x
  3. Step 3: Cross multiply
    16,685.36x = 25,040.37 × 13,437.65
  4. Step 4: Simplify right side
    16,685.36x = 336,483,727.93
  5. Step 5: Solve for x
    x = 336,483,727.93/16,685.36
  6. Step 6: Final answer
    x = 20,166.41

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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.