Home / 11,688.93-17,538.54-6,140.99

Finding the Fourth Proportional to 11,688.93, 17,538.54 and 6,140.99

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Solution

The fourth proportional to 11,688.93, 17,538.54 and 6,140.99 is: 9,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.93 : 17,538.54 = 6,140.99 : x
  2. Step 2: Convert to fraction form
    11,688.93/17,538.54 = 6,140.99/x
  3. Step 3: Cross multiply
    11,688.93x = 17,538.54 × 6,140.99
  4. Step 4: Simplify right side
    11,688.93x = 107,703,998.75
  5. Step 5: Solve for x
    x = 107,703,998.75/11,688.93
  6. Step 6: Final answer
    x = 9,214.19

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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.