Home / 14,544.66-20,069.94-8,170.40

Finding the Fourth Proportional to 14,544.66, 20,069.94 and 8,170.40

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Solution

The fourth proportional to 14,544.66, 20,069.94 and 8,170.40 is: 11,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.66 : 20,069.94 = 8,170.40 : x
  2. Step 2: Convert to fraction form
    14,544.66/20,069.94 = 8,170.40/x
  3. Step 3: Cross multiply
    14,544.66x = 20,069.94 × 8,170.40
  4. Step 4: Simplify right side
    14,544.66x = 163,979,518.59
  5. Step 5: Solve for x
    x = 163,979,518.59/14,544.66
  6. Step 6: Final answer
    x = 11,274.20

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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.