Home / 12,423.25-17,144.45-6,834.25

Finding the Fourth Proportional to 12,423.25, 17,144.45 and 6,834.25

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Solution

The fourth proportional to 12,423.25, 17,144.45 and 6,834.25 is: 9,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.25 : 17,144.45 = 6,834.25 : x
  2. Step 2: Convert to fraction form
    12,423.25/17,144.45 = 6,834.25/x
  3. Step 3: Cross multiply
    12,423.25x = 17,144.45 × 6,834.25
  4. Step 4: Simplify right side
    12,423.25x = 117,169,457.41
  5. Step 5: Solve for x
    x = 117,169,457.41/12,423.25
  6. Step 6: Final answer
    x = 9,431.47

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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.