Home / 11,249.01-16,870.55-3,349.40

Finding the Fourth Proportional to 11,249.01, 16,870.55 and 3,349.40

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Solution

The fourth proportional to 11,249.01, 16,870.55 and 3,349.40 is: 5,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.01 : 16,870.55 = 3,349.40 : x
  2. Step 2: Convert to fraction form
    11,249.01/16,870.55 = 3,349.40/x
  3. Step 3: Cross multiply
    11,249.01x = 16,870.55 × 3,349.40
  4. Step 4: Simplify right side
    11,249.01x = 56,506,119.07
  5. Step 5: Solve for x
    x = 56,506,119.07/11,249.01
  6. Step 6: Final answer
    x = 5,023.21

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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.