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Finding the Fourth Proportional to 10,152.04, 14,015.98 and 6,621.40

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Solution

The fourth proportional to 10,152.04, 14,015.98 and 6,621.40 is: 9,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.04 : 14,015.98 = 6,621.40 : x
  2. Step 2: Convert to fraction form
    10,152.04/14,015.98 = 6,621.40/x
  3. Step 3: Cross multiply
    10,152.04x = 14,015.98 × 6,621.40
  4. Step 4: Simplify right side
    10,152.04x = 92,805,409.97
  5. Step 5: Solve for x
    x = 92,805,409.97/10,152.04
  6. Step 6: Final answer
    x = 9,141.55

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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.