Home / 10,101.60-15,145.88-4,256.64

Finding the Fourth Proportional to 10,101.60, 15,145.88 and 4,256.64

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Solution

The fourth proportional to 10,101.60, 15,145.88 and 4,256.64 is: 6,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.60 : 15,145.88 = 4,256.64 : x
  2. Step 2: Convert to fraction form
    10,101.60/15,145.88 = 4,256.64/x
  3. Step 3: Cross multiply
    10,101.60x = 15,145.88 × 4,256.64
  4. Step 4: Simplify right side
    10,101.60x = 64,470,537.36
  5. Step 5: Solve for x
    x = 64,470,537.36/10,101.60
  6. Step 6: Final answer
    x = 6,382.21

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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.