Home / 17,479.50-24,120.90-9,521.22

Finding the Fourth Proportional to 17,479.50, 24,120.90 and 9,521.22

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Solution

The fourth proportional to 17,479.50, 24,120.90 and 9,521.22 is: 13,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.50 : 24,120.90 = 9,521.22 : x
  2. Step 2: Convert to fraction form
    17,479.50/24,120.90 = 9,521.22/x
  3. Step 3: Cross multiply
    17,479.50x = 24,120.90 × 9,521.22
  4. Step 4: Simplify right side
    17,479.50x = 229,660,395.50
  5. Step 5: Solve for x
    x = 229,660,395.50/17,479.50
  6. Step 6: Final answer
    x = 13,138.84

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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.