Home / 14,276.80-21,415.20-9,611.20

Finding the Fourth Proportional to 14,276.80, 21,415.20 and 9,611.20

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Solution

The fourth proportional to 14,276.80, 21,415.20 and 9,611.20 is: 14,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.80 : 21,415.20 = 9,611.20 : x
  2. Step 2: Convert to fraction form
    14,276.80/21,415.20 = 9,611.20/x
  3. Step 3: Cross multiply
    14,276.80x = 21,415.20 × 9,611.20
  4. Step 4: Simplify right side
    14,276.80x = 205,825,770.24
  5. Step 5: Solve for x
    x = 205,825,770.24/14,276.80
  6. Step 6: Final answer
    x = 14,416.80

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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.