Home / 18,780.03-25,916.39-10,282.08

Finding the Fourth Proportional to 18,780.03, 25,916.39 and 10,282.08

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Solution

The fourth proportional to 18,780.03, 25,916.39 and 10,282.08 is: 14,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780.03 : 25,916.39 = 10,282.08 : x
  2. Step 2: Convert to fraction form
    18,780.03/25,916.39 = 10,282.08/x
  3. Step 3: Cross multiply
    18,780.03x = 25,916.39 × 10,282.08
  4. Step 4: Simplify right side
    18,780.03x = 266,474,395.29
  5. Step 5: Solve for x
    x = 266,474,395.29/18,780.03
  6. Step 6: Final answer
    x = 14,189.24

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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.