Home / 16,145.40-24,185.70-9,211.80

Finding the Fourth Proportional to 16,145.40, 24,185.70 and 9,211.80

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Solution

The fourth proportional to 16,145.40, 24,185.70 and 9,211.80 is: 13,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.40 : 24,185.70 = 9,211.80 : x
  2. Step 2: Convert to fraction form
    16,145.40/24,185.70 = 9,211.80/x
  3. Step 3: Cross multiply
    16,145.40x = 24,185.70 × 9,211.80
  4. Step 4: Simplify right side
    16,145.40x = 222,793,831.26
  5. Step 5: Solve for x
    x = 222,793,831.26/16,145.40
  6. Step 6: Final answer
    x = 13,799.21

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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.