Home / 10,919.90-15,069.46-6,204.19

Finding the Fourth Proportional to 10,919.90, 15,069.46 and 6,204.19

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Solution

The fourth proportional to 10,919.90, 15,069.46 and 6,204.19 is: 8,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.90 : 15,069.46 = 6,204.19 : x
  2. Step 2: Convert to fraction form
    10,919.90/15,069.46 = 6,204.19/x
  3. Step 3: Cross multiply
    10,919.90x = 15,069.46 × 6,204.19
  4. Step 4: Simplify right side
    10,919.90x = 93,493,717.69
  5. Step 5: Solve for x
    x = 93,493,717.69/10,919.90
  6. Step 6: Final answer
    x = 8,561.77

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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.