Home / 11,219.18-16,810.32-8,894.13

Finding the Fourth Proportional to 11,219.18, 16,810.32 and 8,894.13

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Solution

The fourth proportional to 11,219.18, 16,810.32 and 8,894.13 is: 13,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.18 : 16,810.32 = 8,894.13 : x
  2. Step 2: Convert to fraction form
    11,219.18/16,810.32 = 8,894.13/x
  3. Step 3: Cross multiply
    11,219.18x = 16,810.32 × 8,894.13
  4. Step 4: Simplify right side
    11,219.18x = 149,513,171.42
  5. Step 5: Solve for x
    x = 149,513,171.42/11,219.18
  6. Step 6: Final answer
    x = 13,326.57

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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.