Home / 10,259.88-15,391.46-4,336.81

Finding the Fourth Proportional to 10,259.88, 15,391.46 and 4,336.81

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Solution

The fourth proportional to 10,259.88, 15,391.46 and 4,336.81 is: 6,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.88 : 15,391.46 = 4,336.81 : x
  2. Step 2: Convert to fraction form
    10,259.88/15,391.46 = 4,336.81/x
  3. Step 3: Cross multiply
    10,259.88x = 15,391.46 × 4,336.81
  4. Step 4: Simplify right side
    10,259.88x = 66,749,837.64
  5. Step 5: Solve for x
    x = 66,749,837.64/10,259.88
  6. Step 6: Final answer
    x = 6,505.91

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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.