Home / 12,847.55-19,278.62-5,061.83

Finding the Fourth Proportional to 12,847.55, 19,278.62 and 5,061.83

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Solution

The fourth proportional to 12,847.55, 19,278.62 and 5,061.83 is: 7,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.55 : 19,278.62 = 5,061.83 : x
  2. Step 2: Convert to fraction form
    12,847.55/19,278.62 = 5,061.83/x
  3. Step 3: Cross multiply
    12,847.55x = 19,278.62 × 5,061.83
  4. Step 4: Simplify right side
    12,847.55x = 97,585,157.93
  5. Step 5: Solve for x
    x = 97,585,157.93/12,847.55
  6. Step 6: Final answer
    x = 7,595.62

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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.