Home / 19,436.64-29,155.08-7,749.84

Finding the Fourth Proportional to 19,436.64, 29,155.08 and 7,749.84

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Solution

The fourth proportional to 19,436.64, 29,155.08 and 7,749.84 is: 11,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.64 : 29,155.08 = 7,749.84 : x
  2. Step 2: Convert to fraction form
    19,436.64/29,155.08 = 7,749.84/x
  3. Step 3: Cross multiply
    19,436.64x = 29,155.08 × 7,749.84
  4. Step 4: Simplify right side
    19,436.64x = 225,947,205.19
  5. Step 5: Solve for x
    x = 225,947,205.19/19,436.64
  6. Step 6: Final answer
    x = 11,624.81

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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.