Home / 12,393.09-18,598.82-6,851.21

Finding the Fourth Proportional to 12,393.09, 18,598.82 and 6,851.21

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Solution

The fourth proportional to 12,393.09, 18,598.82 and 6,851.21 is: 10,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.09 : 18,598.82 = 6,851.21 : x
  2. Step 2: Convert to fraction form
    12,393.09/18,598.82 = 6,851.21/x
  3. Step 3: Cross multiply
    12,393.09x = 18,598.82 × 6,851.21
  4. Step 4: Simplify right side
    12,393.09x = 127,424,294.32
  5. Step 5: Solve for x
    x = 127,424,294.32/12,393.09
  6. Step 6: Final answer
    x = 10,281.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.