Home / 13,282.60-19,923.90-8,876.20

Finding the Fourth Proportional to 13,282.60, 19,923.90 and 8,876.20

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Solution

The fourth proportional to 13,282.60, 19,923.90 and 8,876.20 is: 13,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.60 : 19,923.90 = 8,876.20 : x
  2. Step 2: Convert to fraction form
    13,282.60/19,923.90 = 8,876.20/x
  3. Step 3: Cross multiply
    13,282.60x = 19,923.90 × 8,876.20
  4. Step 4: Simplify right side
    13,282.60x = 176,848,521.18
  5. Step 5: Solve for x
    x = 176,848,521.18/13,282.60
  6. Step 6: Final answer
    x = 13,314.30

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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.