Home / 10,102.57-15,153.93-3,528.77

Finding the Fourth Proportional to 10,102.57, 15,153.93 and 3,528.77

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Solution

The fourth proportional to 10,102.57, 15,153.93 and 3,528.77 is: 5,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.57 : 15,153.93 = 3,528.77 : x
  2. Step 2: Convert to fraction form
    10,102.57/15,153.93 = 3,528.77/x
  3. Step 3: Cross multiply
    10,102.57x = 15,153.93 × 3,528.77
  4. Step 4: Simplify right side
    10,102.57x = 53,474,657.80
  5. Step 5: Solve for x
    x = 53,474,657.80/10,102.57
  6. Step 6: Final answer
    x = 5,293.18

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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.