Home / 10,831.77-16,241.40-4,254.30

Finding the Fourth Proportional to 10,831.77, 16,241.40 and 4,254.30

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Solution

The fourth proportional to 10,831.77, 16,241.40 and 4,254.30 is: 6,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.77 : 16,241.40 = 4,254.30 : x
  2. Step 2: Convert to fraction form
    10,831.77/16,241.40 = 4,254.30/x
  3. Step 3: Cross multiply
    10,831.77x = 16,241.40 × 4,254.30
  4. Step 4: Simplify right side
    10,831.77x = 69,095,788.02
  5. Step 5: Solve for x
    x = 69,095,788.02/10,831.77
  6. Step 6: Final answer
    x = 6,378.99

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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.