Home / 11,396.68-15,727.26-6,681.40

Finding the Fourth Proportional to 11,396.68, 15,727.26 and 6,681.40

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Solution

The fourth proportional to 11,396.68, 15,727.26 and 6,681.40 is: 9,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.68 : 15,727.26 = 6,681.40 : x
  2. Step 2: Convert to fraction form
    11,396.68/15,727.26 = 6,681.40/x
  3. Step 3: Cross multiply
    11,396.68x = 15,727.26 × 6,681.40
  4. Step 4: Simplify right side
    11,396.68x = 105,080,114.96
  5. Step 5: Solve for x
    x = 105,080,114.96/11,396.68
  6. Step 6: Final answer
    x = 9,220.24

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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.