Home / 13,876.23-20,808.87-5,554.70

Finding the Fourth Proportional to 13,876.23, 20,808.87 and 5,554.70

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Solution

The fourth proportional to 13,876.23, 20,808.87 and 5,554.70 is: 8,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.23 : 20,808.87 = 5,554.70 : x
  2. Step 2: Convert to fraction form
    13,876.23/20,808.87 = 5,554.70/x
  3. Step 3: Cross multiply
    13,876.23x = 20,808.87 × 5,554.70
  4. Step 4: Simplify right side
    13,876.23x = 115,587,030.19
  5. Step 5: Solve for x
    x = 115,587,030.19/13,876.23
  6. Step 6: Final answer
    x = 8,329.86

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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.