Home / 13,267.62-18,316.90-8,797.45

Finding the Fourth Proportional to 13,267.62, 18,316.90 and 8,797.45

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Solution

The fourth proportional to 13,267.62, 18,316.90 and 8,797.45 is: 12,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.62 : 18,316.90 = 8,797.45 : x
  2. Step 2: Convert to fraction form
    13,267.62/18,316.90 = 8,797.45/x
  3. Step 3: Cross multiply
    13,267.62x = 18,316.90 × 8,797.45
  4. Step 4: Simplify right side
    13,267.62x = 161,141,920.32
  5. Step 5: Solve for x
    x = 161,141,920.32/13,267.62
  6. Step 6: Final answer
    x = 12,145.50

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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.