Home / 10,014.64-15,021.25-3,440.68

Finding the Fourth Proportional to 10,014.64, 15,021.25 and 3,440.68

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Solution

The fourth proportional to 10,014.64, 15,021.25 and 3,440.68 is: 5,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.64 : 15,021.25 = 3,440.68 : x
  2. Step 2: Convert to fraction form
    10,014.64/15,021.25 = 3,440.68/x
  3. Step 3: Cross multiply
    10,014.64x = 15,021.25 × 3,440.68
  4. Step 4: Simplify right side
    10,014.64x = 51,683,268.30
  5. Step 5: Solve for x
    x = 51,683,268.30/10,014.64
  6. Step 6: Final answer
    x = 5,160.77

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1.5x scale

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.