Home / 18,837.65-25,986.14-11,176.46

Finding the Fourth Proportional to 18,837.65, 25,986.14 and 11,176.46

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Solution

The fourth proportional to 18,837.65, 25,986.14 and 11,176.46 is: 15,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.65 : 25,986.14 = 11,176.46 : x
  2. Step 2: Convert to fraction form
    18,837.65/25,986.14 = 11,176.46/x
  3. Step 3: Cross multiply
    18,837.65x = 25,986.14 × 11,176.46
  4. Step 4: Simplify right side
    18,837.65x = 290,433,054.26
  5. Step 5: Solve for x
    x = 290,433,054.26/18,837.65
  6. Step 6: Final answer
    x = 15,417.69

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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.