Home / 11,127.51-15,355.67-6,091.72

Finding the Fourth Proportional to 11,127.51, 15,355.67 and 6,091.72

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Solution

The fourth proportional to 11,127.51, 15,355.67 and 6,091.72 is: 8,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.51 : 15,355.67 = 6,091.72 : x
  2. Step 2: Convert to fraction form
    11,127.51/15,355.67 = 6,091.72/x
  3. Step 3: Cross multiply
    11,127.51x = 15,355.67 × 6,091.72
  4. Step 4: Simplify right side
    11,127.51x = 93,542,373.20
  5. Step 5: Solve for x
    x = 93,542,373.20/11,127.51
  6. Step 6: Final answer
    x = 8,406.41

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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.