Home / 11,319.50-16,994.10-9,934.40

Finding the Fourth Proportional to 11,319.50, 16,994.10 and 9,934.40

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Solution

The fourth proportional to 11,319.50, 16,994.10 and 9,934.40 is: 14,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.50 : 16,994.10 = 9,934.40 : x
  2. Step 2: Convert to fraction form
    11,319.50/16,994.10 = 9,934.40/x
  3. Step 3: Cross multiply
    11,319.50x = 16,994.10 × 9,934.40
  4. Step 4: Simplify right side
    11,319.50x = 168,826,187.04
  5. Step 5: Solve for x
    x = 168,826,187.04/11,319.50
  6. Step 6: Final answer
    x = 14,914.63

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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.