Home / 14,574.20-20,112.18-8,200.32

Finding the Fourth Proportional to 14,574.20, 20,112.18 and 8,200.32

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Solution

The fourth proportional to 14,574.20, 20,112.18 and 8,200.32 is: 11,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.20 : 20,112.18 = 8,200.32 : x
  2. Step 2: Convert to fraction form
    14,574.20/20,112.18 = 8,200.32/x
  3. Step 3: Cross multiply
    14,574.20x = 20,112.18 × 8,200.32
  4. Step 4: Simplify right side
    14,574.20x = 164,926,311.90
  5. Step 5: Solve for x
    x = 164,926,311.90/14,574.20
  6. Step 6: Final answer
    x = 11,316.32

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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.