Home / 13,231.50-19,847.40-4,346.70

Finding the Fourth Proportional to 13,231.50, 19,847.40 and 4,346.70

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Solution

The fourth proportional to 13,231.50, 19,847.40 and 4,346.70 is: 6,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.50 : 19,847.40 = 4,346.70 : x
  2. Step 2: Convert to fraction form
    13,231.50/19,847.40 = 4,346.70/x
  3. Step 3: Cross multiply
    13,231.50x = 19,847.40 × 4,346.70
  4. Step 4: Simplify right side
    13,231.50x = 86,270,693.58
  5. Step 5: Solve for x
    x = 86,270,693.58/13,231.50
  6. Step 6: Final answer
    x = 6,520.10

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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.