Home / 19,973.28-29,960.04-8,877.36

Finding the Fourth Proportional to 19,973.28, 29,960.04 and 8,877.36

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Solution

The fourth proportional to 19,973.28, 29,960.04 and 8,877.36 is: 13,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.28 : 29,960.04 = 8,877.36 : x
  2. Step 2: Convert to fraction form
    19,973.28/29,960.04 = 8,877.36/x
  3. Step 3: Cross multiply
    19,973.28x = 29,960.04 × 8,877.36
  4. Step 4: Simplify right side
    19,973.28x = 265,966,060.69
  5. Step 5: Solve for x
    x = 265,966,060.69/19,973.28
  6. Step 6: Final answer
    x = 13,316.09

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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.