Home / 10,171.54-15,259.64-3,931.61

Finding the Fourth Proportional to 10,171.54, 15,259.64 and 3,931.61

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Solution

The fourth proportional to 10,171.54, 15,259.64 and 3,931.61 is: 5,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.54 : 15,259.64 = 3,931.61 : x
  2. Step 2: Convert to fraction form
    10,171.54/15,259.64 = 3,931.61/x
  3. Step 3: Cross multiply
    10,171.54x = 15,259.64 × 3,931.61
  4. Step 4: Simplify right side
    10,171.54x = 59,994,857.26
  5. Step 5: Solve for x
    x = 59,994,857.26/10,171.54
  6. Step 6: Final answer
    x = 5,898.31

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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.