Home / 13,050.62-18,006.84-8,809.56

Finding the Fourth Proportional to 13,050.62, 18,006.84 and 8,809.56

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Solution

The fourth proportional to 13,050.62, 18,006.84 and 8,809.56 is: 12,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.62 : 18,006.84 = 8,809.56 : x
  2. Step 2: Convert to fraction form
    13,050.62/18,006.84 = 8,809.56/x
  3. Step 3: Cross multiply
    13,050.62x = 18,006.84 × 8,809.56
  4. Step 4: Simplify right side
    13,050.62x = 158,632,337.39
  5. Step 5: Solve for x
    x = 158,632,337.39/13,050.62
  6. Step 6: Final answer
    x = 12,155.16

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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.