Home / 10,910.79-15,057.33-6,195.51

Finding the Fourth Proportional to 10,910.79, 15,057.33 and 6,195.51

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Solution

The fourth proportional to 10,910.79, 15,057.33 and 6,195.51 is: 8,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.79 : 15,057.33 = 6,195.51 : x
  2. Step 2: Convert to fraction form
    10,910.79/15,057.33 = 6,195.51/x
  3. Step 3: Cross multiply
    10,910.79x = 15,057.33 × 6,195.51
  4. Step 4: Simplify right side
    10,910.79x = 93,287,807.61
  5. Step 5: Solve for x
    x = 93,287,807.61/10,910.79
  6. Step 6: Final answer
    x = 8,550.05

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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.