Home / 15,787.76-23,682.96-4,101.20

Finding the Fourth Proportional to 15,787.76, 23,682.96 and 4,101.20

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Solution

The fourth proportional to 15,787.76, 23,682.96 and 4,101.20 is: 6,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.76 : 23,682.96 = 4,101.20 : x
  2. Step 2: Convert to fraction form
    15,787.76/23,682.96 = 4,101.20/x
  3. Step 3: Cross multiply
    15,787.76x = 23,682.96 × 4,101.20
  4. Step 4: Simplify right side
    15,787.76x = 97,128,555.55
  5. Step 5: Solve for x
    x = 97,128,555.55/15,787.76
  6. Step 6: Final answer
    x = 6,152.14

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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.