Home / 10,353.43-15,530.69-2,957.32

Finding the Fourth Proportional to 10,353.43, 15,530.69 and 2,957.32

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Solution

The fourth proportional to 10,353.43, 15,530.69 and 2,957.32 is: 4,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.43 : 15,530.69 = 2,957.32 : x
  2. Step 2: Convert to fraction form
    10,353.43/15,530.69 = 2,957.32/x
  3. Step 3: Cross multiply
    10,353.43x = 15,530.69 × 2,957.32
  4. Step 4: Simplify right side
    10,353.43x = 45,929,220.15
  5. Step 5: Solve for x
    x = 45,929,220.15/10,353.43
  6. Step 6: Final answer
    x = 4,436.14

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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.