Home / 12,926.10-17,839.71-7,621.41

Finding the Fourth Proportional to 12,926.10, 17,839.71 and 7,621.41

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Solution

The fourth proportional to 12,926.10, 17,839.71 and 7,621.41 is: 10,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.10 : 17,839.71 = 7,621.41 : x
  2. Step 2: Convert to fraction form
    12,926.10/17,839.71 = 7,621.41/x
  3. Step 3: Cross multiply
    12,926.10x = 17,839.71 × 7,621.41
  4. Step 4: Simplify right side
    12,926.10x = 135,963,744.19
  5. Step 5: Solve for x
    x = 135,963,744.19/12,926.10
  6. Step 6: Final answer
    x = 10,518.54

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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.