Home / 11,199.42-16,802.20-8,867.19

Finding the Fourth Proportional to 11,199.42, 16,802.20 and 8,867.19

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Solution

The fourth proportional to 11,199.42, 16,802.20 and 8,867.19 is: 13,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.42 : 16,802.20 = 8,867.19 : x
  2. Step 2: Convert to fraction form
    11,199.42/16,802.20 = 8,867.19/x
  3. Step 3: Cross multiply
    11,199.42x = 16,802.20 × 8,867.19
  4. Step 4: Simplify right side
    11,199.42x = 148,988,299.82
  5. Step 5: Solve for x
    x = 148,988,299.82/11,199.42
  6. Step 6: Final answer
    x = 13,303.22

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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.