Home / 11,688.06-17,537.22-6,140.11

Finding the Fourth Proportional to 11,688.06, 17,537.22 and 6,140.11

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Solution

The fourth proportional to 11,688.06, 17,537.22 and 6,140.11 is: 9,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.06 : 17,537.22 = 6,140.11 : x
  2. Step 2: Convert to fraction form
    11,688.06/17,537.22 = 6,140.11/x
  3. Step 3: Cross multiply
    11,688.06x = 17,537.22 × 6,140.11
  4. Step 4: Simplify right side
    11,688.06x = 107,680,459.89
  5. Step 5: Solve for x
    x = 107,680,459.89/11,688.06
  6. Step 6: Final answer
    x = 9,212.86

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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.