Home / 12,272.72-16,937.86-6,969.24

Finding the Fourth Proportional to 12,272.72, 16,937.86 and 6,969.24

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Solution

The fourth proportional to 12,272.72, 16,937.86 and 6,969.24 is: 9,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.72 : 16,937.86 = 6,969.24 : x
  2. Step 2: Convert to fraction form
    12,272.72/16,937.86 = 6,969.24/x
  3. Step 3: Cross multiply
    12,272.72x = 16,937.86 × 6,969.24
  4. Step 4: Simplify right side
    12,272.72x = 118,044,011.43
  5. Step 5: Solve for x
    x = 118,044,011.43/12,272.72
  6. Step 6: Final answer
    x = 9,618.41

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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.