Home / 10,551.60-15,827.60-3,156.17

Finding the Fourth Proportional to 10,551.60, 15,827.60 and 3,156.17

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Solution

The fourth proportional to 10,551.60, 15,827.60 and 3,156.17 is: 4,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.60 : 15,827.60 = 3,156.17 : x
  2. Step 2: Convert to fraction form
    10,551.60/15,827.60 = 3,156.17/x
  3. Step 3: Cross multiply
    10,551.60x = 15,827.60 × 3,156.17
  4. Step 4: Simplify right side
    10,551.60x = 49,954,525.04
  5. Step 5: Solve for x
    x = 49,954,525.04/10,551.60
  6. Step 6: Final answer
    x = 4,734.31

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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.