Home / 11,319.93-16,981.51-3,529.35

Finding the Fourth Proportional to 11,319.93, 16,981.51 and 3,529.35

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Solution

The fourth proportional to 11,319.93, 16,981.51 and 3,529.35 is: 5,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.93 : 16,981.51 = 3,529.35 : x
  2. Step 2: Convert to fraction form
    11,319.93/16,981.51 = 3,529.35/x
  3. Step 3: Cross multiply
    11,319.93x = 16,981.51 × 3,529.35
  4. Step 4: Simplify right side
    11,319.93x = 59,933,692.32
  5. Step 5: Solve for x
    x = 59,933,692.32/11,319.93
  6. Step 6: Final answer
    x = 5,294.53

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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.