Home / 15,366.13-21,207.32-8,994.67

Finding the Fourth Proportional to 15,366.13, 21,207.32 and 8,994.67

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Solution

The fourth proportional to 15,366.13, 21,207.32 and 8,994.67 is: 12,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.13 : 21,207.32 = 8,994.67 : x
  2. Step 2: Convert to fraction form
    15,366.13/21,207.32 = 8,994.67/x
  3. Step 3: Cross multiply
    15,366.13x = 21,207.32 × 8,994.67
  4. Step 4: Simplify right side
    15,366.13x = 190,752,844.98
  5. Step 5: Solve for x
    x = 190,752,844.98/15,366.13
  6. Step 6: Final answer
    x = 12,413.85

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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.