Home / 20,723.76-31,076.01-6,681.15

Finding the Fourth Proportional to 20,723.76, 31,076.01 and 6,681.15

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Solution

The fourth proportional to 20,723.76, 31,076.01 and 6,681.15 is: 10,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.76 : 31,076.01 = 6,681.15 : x
  2. Step 2: Convert to fraction form
    20,723.76/31,076.01 = 6,681.15/x
  3. Step 3: Cross multiply
    20,723.76x = 31,076.01 × 6,681.15
  4. Step 4: Simplify right side
    20,723.76x = 207,623,484.21
  5. Step 5: Solve for x
    x = 207,623,484.21/20,723.76
  6. Step 6: Final answer
    x = 10,018.62

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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.