Home / 13,236.79-19,934.44-12,055.81

Finding the Fourth Proportional to 13,236.79, 19,934.44 and 12,055.81

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Solution

The fourth proportional to 13,236.79, 19,934.44 and 12,055.81 is: 18,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.79 : 19,934.44 = 12,055.81 : x
  2. Step 2: Convert to fraction form
    13,236.79/19,934.44 = 12,055.81/x
  3. Step 3: Cross multiply
    13,236.79x = 19,934.44 × 12,055.81
  4. Step 4: Simplify right side
    13,236.79x = 240,325,821.10
  5. Step 5: Solve for x
    x = 240,325,821.10/13,236.79
  6. Step 6: Final answer
    x = 18,155.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.