Home / 15,107.64-22,669.14-6,785.96

Finding the Fourth Proportional to 15,107.64, 22,669.14 and 6,785.96

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Solution

The fourth proportional to 15,107.64, 22,669.14 and 6,785.96 is: 10,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.64 : 22,669.14 = 6,785.96 : x
  2. Step 2: Convert to fraction form
    15,107.64/22,669.14 = 6,785.96/x
  3. Step 3: Cross multiply
    15,107.64x = 22,669.14 × 6,785.96
  4. Step 4: Simplify right side
    15,107.64x = 153,831,877.27
  5. Step 5: Solve for x
    x = 153,831,877.27/15,107.64
  6. Step 6: Final answer
    x = 10,182.39

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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.