Home / 11,029.13-15,222.60-6,783.84

Finding the Fourth Proportional to 11,029.13, 15,222.60 and 6,783.84

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Solution

The fourth proportional to 11,029.13, 15,222.60 and 6,783.84 is: 9,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.13 : 15,222.60 = 6,783.84 : x
  2. Step 2: Convert to fraction form
    11,029.13/15,222.60 = 6,783.84/x
  3. Step 3: Cross multiply
    11,029.13x = 15,222.60 × 6,783.84
  4. Step 4: Simplify right side
    11,029.13x = 103,267,682.78
  5. Step 5: Solve for x
    x = 103,267,682.78/11,029.13
  6. Step 6: Final answer
    x = 9,363.18

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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.