Home / 12,476.81-17,217.26-6,810.43

Finding the Fourth Proportional to 12,476.81, 17,217.26 and 6,810.43

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Solution

The fourth proportional to 12,476.81, 17,217.26 and 6,810.43 is: 9,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.81 : 17,217.26 = 6,810.43 : x
  2. Step 2: Convert to fraction form
    12,476.81/17,217.26 = 6,810.43/x
  3. Step 3: Cross multiply
    12,476.81x = 17,217.26 × 6,810.43
  4. Step 4: Simplify right side
    12,476.81x = 117,256,944.02
  5. Step 5: Solve for x
    x = 117,256,944.02/12,476.81
  6. Step 6: Final answer
    x = 9,397.99

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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.