Home / 10,989.86-15,166.26-6,274.58

Finding the Fourth Proportional to 10,989.86, 15,166.26 and 6,274.58

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Solution

The fourth proportional to 10,989.86, 15,166.26 and 6,274.58 is: 8,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.86 : 15,166.26 = 6,274.58 : x
  2. Step 2: Convert to fraction form
    10,989.86/15,166.26 = 6,274.58/x
  3. Step 3: Cross multiply
    10,989.86x = 15,166.26 × 6,274.58
  4. Step 4: Simplify right side
    10,989.86x = 95,161,835.84
  5. Step 5: Solve for x
    x = 95,161,835.84/10,989.86
  6. Step 6: Final answer
    x = 8,659.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.