Home / 9,909.19-13,674.68-5,717.44

Finding the Fourth Proportional to 9,909.19, 13,674.68 and 5,717.44

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Solution

The fourth proportional to 9,909.19, 13,674.68 and 5,717.44 is: 7,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.19 : 13,674.68 = 5,717.44 : x
  2. Step 2: Convert to fraction form
    9,909.19/13,674.68 = 5,717.44/x
  3. Step 3: Cross multiply
    9,909.19x = 13,674.68 × 5,717.44
  4. Step 4: Simplify right side
    9,909.19x = 78,184,162.42
  5. Step 5: Solve for x
    x = 78,184,162.42/9,909.19
  6. Step 6: Final answer
    x = 7,890.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.