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Finding the Fourth Proportional to 15,110.51, 20,852.52 and 8,395.95

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Solution

The fourth proportional to 15,110.51, 20,852.52 and 8,395.95 is: 11,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.51 : 20,852.52 = 8,395.95 : x
  2. Step 2: Convert to fraction form
    15,110.51/20,852.52 = 8,395.95/x
  3. Step 3: Cross multiply
    15,110.51x = 20,852.52 × 8,395.95
  4. Step 4: Simplify right side
    15,110.51x = 175,076,715.29
  5. Step 5: Solve for x
    x = 175,076,715.29/15,110.51
  6. Step 6: Final answer
    x = 11,586.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.