Home / 13,032-19,529.64-5,630.76

Finding the Fourth Proportional to 13,032, 19,529.64 and 5,630.76

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Solution

The fourth proportional to 13,032, 19,529.64 and 5,630.76 is: 8,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032 : 19,529.64 = 5,630.76 : x
  2. Step 2: Convert to fraction form
    13,032/19,529.64 = 5,630.76/x
  3. Step 3: Cross multiply
    13,032x = 19,529.64 × 5,630.76
  4. Step 4: Simplify right side
    13,032x = 109,966,715.73
  5. Step 5: Solve for x
    x = 109,966,715.73/13,032
  6. Step 6: Final answer
    x = 8,438.21

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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.