Home / 20,984.28-31,477.18-6,944.66

Finding the Fourth Proportional to 20,984.28, 31,477.18 and 6,944.66

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Solution

The fourth proportional to 20,984.28, 31,477.18 and 6,944.66 is: 10,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984.28 : 31,477.18 = 6,944.66 : x
  2. Step 2: Convert to fraction form
    20,984.28/31,477.18 = 6,944.66/x
  3. Step 3: Cross multiply
    20,984.28x = 31,477.18 × 6,944.66
  4. Step 4: Simplify right side
    20,984.28x = 218,598,312.86
  5. Step 5: Solve for x
    x = 218,598,312.86/20,984.28
  6. Step 6: Final answer
    x = 10,417.24

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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.