Home / 11,389.07-17,047.14-6,111.11

Finding the Fourth Proportional to 11,389.07, 17,047.14 and 6,111.11

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Solution

The fourth proportional to 11,389.07, 17,047.14 and 6,111.11 is: 9,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.07 : 17,047.14 = 6,111.11 : x
  2. Step 2: Convert to fraction form
    11,389.07/17,047.14 = 6,111.11/x
  3. Step 3: Cross multiply
    11,389.07x = 17,047.14 × 6,111.11
  4. Step 4: Simplify right side
    11,389.07x = 104,176,862.49
  5. Step 5: Solve for x
    x = 104,176,862.49/11,389.07
  6. Step 6: Final answer
    x = 9,147.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.