Home / 13,089.50-19,626.44-8,877.92

Finding the Fourth Proportional to 13,089.50, 19,626.44 and 8,877.92

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Solution

The fourth proportional to 13,089.50, 19,626.44 and 8,877.92 is: 13,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.50 : 19,626.44 = 8,877.92 : x
  2. Step 2: Convert to fraction form
    13,089.50/19,626.44 = 8,877.92/x
  3. Step 3: Cross multiply
    13,089.50x = 19,626.44 × 8,877.92
  4. Step 4: Simplify right side
    13,089.50x = 174,241,964.20
  5. Step 5: Solve for x
    x = 174,241,964.20/13,089.50
  6. Step 6: Final answer
    x = 13,311.58

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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.