Home / 13,284-19,921.95-6,708.42

Finding the Fourth Proportional to 13,284, 19,921.95 and 6,708.42

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Solution

The fourth proportional to 13,284, 19,921.95 and 6,708.42 is: 10,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284 : 19,921.95 = 6,708.42 : x
  2. Step 2: Convert to fraction form
    13,284/19,921.95 = 6,708.42/x
  3. Step 3: Cross multiply
    13,284x = 19,921.95 × 6,708.42
  4. Step 4: Simplify right side
    13,284x = 133,644,807.82
  5. Step 5: Solve for x
    x = 133,644,807.82/13,284
  6. Step 6: Final answer
    x = 10,060.58

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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.