Home / 12,200.96-18,302.13-3,436.58

Finding the Fourth Proportional to 12,200.96, 18,302.13 and 3,436.58

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Solution

The fourth proportional to 12,200.96, 18,302.13 and 3,436.58 is: 5,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.96 : 18,302.13 = 3,436.58 : x
  2. Step 2: Convert to fraction form
    12,200.96/18,302.13 = 3,436.58/x
  3. Step 3: Cross multiply
    12,200.96x = 18,302.13 × 3,436.58
  4. Step 4: Simplify right side
    12,200.96x = 62,896,642.40
  5. Step 5: Solve for x
    x = 62,896,642.40/12,200.96
  6. Step 6: Final answer
    x = 5,155.06

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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.