Home / 18,589.67-25,653.95-10,091.87

Finding the Fourth Proportional to 18,589.67, 25,653.95 and 10,091.87

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Solution

The fourth proportional to 18,589.67, 25,653.95 and 10,091.87 is: 13,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.67 : 25,653.95 = 10,091.87 : x
  2. Step 2: Convert to fraction form
    18,589.67/25,653.95 = 10,091.87/x
  3. Step 3: Cross multiply
    18,589.67x = 25,653.95 × 10,091.87
  4. Step 4: Simplify right side
    18,589.67x = 258,896,328.39
  5. Step 5: Solve for x
    x = 258,896,328.39/18,589.67
  6. Step 6: Final answer
    x = 13,926.89

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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.