Home / 19,866.06-29,812.86-7,397.46

Finding the Fourth Proportional to 19,866.06, 29,812.86 and 7,397.46

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Solution

The fourth proportional to 19,866.06, 29,812.86 and 7,397.46 is: 11,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.06 : 29,812.86 = 7,397.46 : x
  2. Step 2: Convert to fraction form
    19,866.06/29,812.86 = 7,397.46/x
  3. Step 3: Cross multiply
    19,866.06x = 29,812.86 × 7,397.46
  4. Step 4: Simplify right side
    19,866.06x = 220,539,439.34
  5. Step 5: Solve for x
    x = 220,539,439.34/19,866.06
  6. Step 6: Final answer
    x = 11,101.32

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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.