Home / 20,623.66-30,891.57-10,077.46

Finding the Fourth Proportional to 20,623.66, 30,891.57 and 10,077.46

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Solution

The fourth proportional to 20,623.66, 30,891.57 and 10,077.46 is: 15,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.66 : 30,891.57 = 10,077.46 : x
  2. Step 2: Convert to fraction form
    20,623.66/30,891.57 = 10,077.46/x
  3. Step 3: Cross multiply
    20,623.66x = 30,891.57 × 10,077.46
  4. Step 4: Simplify right side
    20,623.66x = 311,308,561.01
  5. Step 5: Solve for x
    x = 311,308,561.01/20,623.66
  6. Step 6: Final answer
    x = 15,094.73

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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.