Home / 15,436.70-23,155.04-3,749.84

Finding the Fourth Proportional to 15,436.70, 23,155.04 and 3,749.84

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Solution

The fourth proportional to 15,436.70, 23,155.04 and 3,749.84 is: 5,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.70 : 23,155.04 = 3,749.84 : x
  2. Step 2: Convert to fraction form
    15,436.70/23,155.04 = 3,749.84/x
  3. Step 3: Cross multiply
    15,436.70x = 23,155.04 × 3,749.84
  4. Step 4: Simplify right side
    15,436.70x = 86,827,695.19
  5. Step 5: Solve for x
    x = 86,827,695.19/15,436.70
  6. Step 6: Final answer
    x = 5,624.76

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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.