Home / 10,638.17-15,957.24-4,787.94

Finding the Fourth Proportional to 10,638.17, 15,957.24 and 4,787.94

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Solution

The fourth proportional to 10,638.17, 15,957.24 and 4,787.94 is: 7,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.17 : 15,957.24 = 4,787.94 : x
  2. Step 2: Convert to fraction form
    10,638.17/15,957.24 = 4,787.94/x
  3. Step 3: Cross multiply
    10,638.17x = 15,957.24 × 4,787.94
  4. Step 4: Simplify right side
    10,638.17x = 76,402,307.69
  5. Step 5: Solve for x
    x = 76,402,307.69/10,638.17
  6. Step 6: Final answer
    x = 7,181.91

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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.