Home / 11,399.96-17,100.14-6,139.28

Finding the Fourth Proportional to 11,399.96, 17,100.14 and 6,139.28

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Solution

The fourth proportional to 11,399.96, 17,100.14 and 6,139.28 is: 9,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.96 : 17,100.14 = 6,139.28 : x
  2. Step 2: Convert to fraction form
    11,399.96/17,100.14 = 6,139.28/x
  3. Step 3: Cross multiply
    11,399.96x = 17,100.14 × 6,139.28
  4. Step 4: Simplify right side
    11,399.96x = 104,982,547.50
  5. Step 5: Solve for x
    x = 104,982,547.50/11,399.96
  6. Step 6: Final answer
    x = 9,209.03

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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.