Home / 19,412.87-29,094.99-8,306.56

Finding the Fourth Proportional to 19,412.87, 29,094.99 and 8,306.56

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Solution

The fourth proportional to 19,412.87, 29,094.99 and 8,306.56 is: 12,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.87 : 29,094.99 = 8,306.56 : x
  2. Step 2: Convert to fraction form
    19,412.87/29,094.99 = 8,306.56/x
  3. Step 3: Cross multiply
    19,412.87x = 29,094.99 × 8,306.56
  4. Step 4: Simplify right side
    19,412.87x = 241,679,280.13
  5. Step 5: Solve for x
    x = 241,679,280.13/19,412.87
  6. Step 6: Final answer
    x = 12,449.44

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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.