Home / 13,057.79-19,587.14-4,293.38

Finding the Fourth Proportional to 13,057.79, 19,587.14 and 4,293.38

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Solution

The fourth proportional to 13,057.79, 19,587.14 and 4,293.38 is: 6,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.79 : 19,587.14 = 4,293.38 : x
  2. Step 2: Convert to fraction form
    13,057.79/19,587.14 = 4,293.38/x
  3. Step 3: Cross multiply
    13,057.79x = 19,587.14 × 4,293.38
  4. Step 4: Simplify right side
    13,057.79x = 84,094,915.73
  5. Step 5: Solve for x
    x = 84,094,915.73/13,057.79
  6. Step 6: Final answer
    x = 6,440.21

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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.