Home / 9,209.80-13,814.69-4,276.74

Finding the Fourth Proportional to 9,209.80, 13,814.69 and 4,276.74

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Solution

The fourth proportional to 9,209.80, 13,814.69 and 4,276.74 is: 6,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.80 : 13,814.69 = 4,276.74 : x
  2. Step 2: Convert to fraction form
    9,209.80/13,814.69 = 4,276.74/x
  3. Step 3: Cross multiply
    9,209.80x = 13,814.69 × 4,276.74
  4. Step 4: Simplify right side
    9,209.80x = 59,081,815.93
  5. Step 5: Solve for x
    x = 59,081,815.93/9,209.80
  6. Step 6: Final answer
    x = 6,415.10

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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.