Home / 14,909.80-20,574.67-9,169.44

Finding the Fourth Proportional to 14,909.80, 20,574.67 and 9,169.44

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Solution

The fourth proportional to 14,909.80, 20,574.67 and 9,169.44 is: 12,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.80 : 20,574.67 = 9,169.44 : x
  2. Step 2: Convert to fraction form
    14,909.80/20,574.67 = 9,169.44/x
  3. Step 3: Cross multiply
    14,909.80x = 20,574.67 × 9,169.44
  4. Step 4: Simplify right side
    14,909.80x = 188,658,202.08
  5. Step 5: Solve for x
    x = 188,658,202.08/14,909.80
  6. Step 6: Final answer
    x = 12,653.30

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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.