Home / 11,988.16-16,543.92-6,683.50

Finding the Fourth Proportional to 11,988.16, 16,543.92 and 6,683.50

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Solution

The fourth proportional to 11,988.16, 16,543.92 and 6,683.50 is: 9,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.16 : 16,543.92 = 6,683.50 : x
  2. Step 2: Convert to fraction form
    11,988.16/16,543.92 = 6,683.50/x
  3. Step 3: Cross multiply
    11,988.16x = 16,543.92 × 6,683.50
  4. Step 4: Simplify right side
    11,988.16x = 110,571,289.32
  5. Step 5: Solve for x
    x = 110,571,289.32/11,988.16
  6. Step 6: Final answer
    x = 9,223.37

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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.