Home / 12,476.22-17,217.14-6,810.91

Finding the Fourth Proportional to 12,476.22, 17,217.14 and 6,810.91

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Solution

The fourth proportional to 12,476.22, 17,217.14 and 6,810.91 is: 9,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.22 : 17,217.14 = 6,810.91 : x
  2. Step 2: Convert to fraction form
    12,476.22/17,217.14 = 6,810.91/x
  3. Step 3: Cross multiply
    12,476.22x = 17,217.14 × 6,810.91
  4. Step 4: Simplify right side
    12,476.22x = 117,264,364.98
  5. Step 5: Solve for x
    x = 117,264,364.98/12,476.22
  6. Step 6: Final answer
    x = 9,399.03

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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.