Home / 13,036.36-19,557.78-5,245.78

Finding the Fourth Proportional to 13,036.36, 19,557.78 and 5,245.78

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Solution

The fourth proportional to 13,036.36, 19,557.78 and 5,245.78 is: 7,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.36 : 19,557.78 = 5,245.78 : x
  2. Step 2: Convert to fraction form
    13,036.36/19,557.78 = 5,245.78/x
  3. Step 3: Cross multiply
    13,036.36x = 19,557.78 × 5,245.78
  4. Step 4: Simplify right side
    13,036.36x = 102,595,811.17
  5. Step 5: Solve for x
    x = 102,595,811.17/13,036.36
  6. Step 6: Final answer
    x = 7,869.97

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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.