Home / 11,057.72-15,261.89-6,810.89

Finding the Fourth Proportional to 11,057.72, 15,261.89 and 6,810.89

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Solution

The fourth proportional to 11,057.72, 15,261.89 and 6,810.89 is: 9,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.72 : 15,261.89 = 6,810.89 : x
  2. Step 2: Convert to fraction form
    11,057.72/15,261.89 = 6,810.89/x
  3. Step 3: Cross multiply
    11,057.72x = 15,261.89 × 6,810.89
  4. Step 4: Simplify right side
    11,057.72x = 103,946,943.62
  5. Step 5: Solve for x
    x = 103,946,943.62/11,057.72
  6. Step 6: Final answer
    x = 9,400.40

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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.