Home / 16,399.81-24,600.12-5,307.67

Finding the Fourth Proportional to 16,399.81, 24,600.12 and 5,307.67

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Solution

The fourth proportional to 16,399.81, 24,600.12 and 5,307.67 is: 7,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.81 : 24,600.12 = 5,307.67 : x
  2. Step 2: Convert to fraction form
    16,399.81/24,600.12 = 5,307.67/x
  3. Step 3: Cross multiply
    16,399.81x = 24,600.12 × 5,307.67
  4. Step 4: Simplify right side
    16,399.81x = 130,569,318.92
  5. Step 5: Solve for x
    x = 130,569,318.92/16,399.81
  6. Step 6: Final answer
    x = 7,961.64

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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.