Home / 19,710.48-29,567.52-7,861.38

Finding the Fourth Proportional to 19,710.48, 29,567.52 and 7,861.38

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Solution

The fourth proportional to 19,710.48, 29,567.52 and 7,861.38 is: 11,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.48 : 29,567.52 = 7,861.38 : x
  2. Step 2: Convert to fraction form
    19,710.48/29,567.52 = 7,861.38/x
  3. Step 3: Cross multiply
    19,710.48x = 29,567.52 × 7,861.38
  4. Step 4: Simplify right side
    19,710.48x = 232,441,510.38
  5. Step 5: Solve for x
    x = 232,441,510.38/19,710.48
  6. Step 6: Final answer
    x = 11,792.79

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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.