Home / 18,877.59-26,051.09-10,379.85

Finding the Fourth Proportional to 18,877.59, 26,051.09 and 10,379.85

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Solution

The fourth proportional to 18,877.59, 26,051.09 and 10,379.85 is: 14,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.59 : 26,051.09 = 10,379.85 : x
  2. Step 2: Convert to fraction form
    18,877.59/26,051.09 = 10,379.85/x
  3. Step 3: Cross multiply
    18,877.59x = 26,051.09 × 10,379.85
  4. Step 4: Simplify right side
    18,877.59x = 270,406,530.18
  5. Step 5: Solve for x
    x = 270,406,530.18/18,877.59
  6. Step 6: Final answer
    x = 14,324.21

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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.