Home / 11,988.65-16,544.42-6,683.81

Finding the Fourth Proportional to 11,988.65, 16,544.42 and 6,683.81

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Solution

The fourth proportional to 11,988.65, 16,544.42 and 6,683.81 is: 9,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.65 : 16,544.42 = 6,683.81 : x
  2. Step 2: Convert to fraction form
    11,988.65/16,544.42 = 6,683.81/x
  3. Step 3: Cross multiply
    11,988.65x = 16,544.42 × 6,683.81
  4. Step 4: Simplify right side
    11,988.65x = 110,579,643.70
  5. Step 5: Solve for x
    x = 110,579,643.70/11,988.65
  6. Step 6: Final answer
    x = 9,223.70

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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.