Home / 10,919.36-15,069.12-6,204.44

Finding the Fourth Proportional to 10,919.36, 15,069.12 and 6,204.44

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Solution

The fourth proportional to 10,919.36, 15,069.12 and 6,204.44 is: 8,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.36 : 15,069.12 = 6,204.44 : x
  2. Step 2: Convert to fraction form
    10,919.36/15,069.12 = 6,204.44/x
  3. Step 3: Cross multiply
    10,919.36x = 15,069.12 × 6,204.44
  4. Step 4: Simplify right side
    10,919.36x = 93,495,450.89
  5. Step 5: Solve for x
    x = 93,495,450.89/10,919.36
  6. Step 6: Final answer
    x = 8,562.36

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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.