Home / 11,006.99-15,189.51-5,971.11

Finding the Fourth Proportional to 11,006.99, 15,189.51 and 5,971.11

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Solution

The fourth proportional to 11,006.99, 15,189.51 and 5,971.11 is: 8,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.99 : 15,189.51 = 5,971.11 : x
  2. Step 2: Convert to fraction form
    11,006.99/15,189.51 = 5,971.11/x
  3. Step 3: Cross multiply
    11,006.99x = 15,189.51 × 5,971.11
  4. Step 4: Simplify right side
    11,006.99x = 90,698,235.06
  5. Step 5: Solve for x
    x = 90,698,235.06/11,006.99
  6. Step 6: Final answer
    x = 8,240.06

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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.