Home / 12,813.84-17,679.02-10,116.56

Finding the Fourth Proportional to 12,813.84, 17,679.02 and 10,116.56

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Solution

The fourth proportional to 12,813.84, 17,679.02 and 10,116.56 is: 13,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.84 : 17,679.02 = 10,116.56 : x
  2. Step 2: Convert to fraction form
    12,813.84/17,679.02 = 10,116.56/x
  3. Step 3: Cross multiply
    12,813.84x = 17,679.02 × 10,116.56
  4. Step 4: Simplify right side
    12,813.84x = 178,850,866.57
  5. Step 5: Solve for x
    x = 178,850,866.57/12,813.84
  6. Step 6: Final answer
    x = 13,957.63

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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.