Home / 10,080.45-13,905.70-5,989.93

Finding the Fourth Proportional to 10,080.45, 13,905.70 and 5,989.93

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Solution

The fourth proportional to 10,080.45, 13,905.70 and 5,989.93 is: 8,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.45 : 13,905.70 = 5,989.93 : x
  2. Step 2: Convert to fraction form
    10,080.45/13,905.70 = 5,989.93/x
  3. Step 3: Cross multiply
    10,080.45x = 13,905.70 × 5,989.93
  4. Step 4: Simplify right side
    10,080.45x = 83,294,119.86
  5. Step 5: Solve for x
    x = 83,294,119.86/10,080.45
  6. Step 6: Final answer
    x = 8,262.94

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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.