Home / 18,568.29-27,877.15-10,782.69

Finding the Fourth Proportional to 18,568.29, 27,877.15 and 10,782.69

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Solution

The fourth proportional to 18,568.29, 27,877.15 and 10,782.69 is: 16,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.29 : 27,877.15 = 10,782.69 : x
  2. Step 2: Convert to fraction form
    18,568.29/27,877.15 = 10,782.69/x
  3. Step 3: Cross multiply
    18,568.29x = 27,877.15 × 10,782.69
  4. Step 4: Simplify right side
    18,568.29x = 300,590,666.53
  5. Step 5: Solve for x
    x = 300,590,666.53/18,568.29
  6. Step 6: Final answer
    x = 16,188.39

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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.