Home / 10,554.85-15,826.41-4,319.25

Finding the Fourth Proportional to 10,554.85, 15,826.41 and 4,319.25

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Solution

The fourth proportional to 10,554.85, 15,826.41 and 4,319.25 is: 6,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.85 : 15,826.41 = 4,319.25 : x
  2. Step 2: Convert to fraction form
    10,554.85/15,826.41 = 4,319.25/x
  3. Step 3: Cross multiply
    10,554.85x = 15,826.41 × 4,319.25
  4. Step 4: Simplify right side
    10,554.85x = 68,358,221.39
  5. Step 5: Solve for x
    x = 68,358,221.39/10,554.85
  6. Step 6: Final answer
    x = 6,476.47

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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.