Home / 20,225.66-30,333.63-10,359.86

Finding the Fourth Proportional to 20,225.66, 30,333.63 and 10,359.86

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Solution

The fourth proportional to 20,225.66, 30,333.63 and 10,359.86 is: 15,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.66 : 30,333.63 = 10,359.86 : x
  2. Step 2: Convert to fraction form
    20,225.66/30,333.63 = 10,359.86/x
  3. Step 3: Cross multiply
    20,225.66x = 30,333.63 × 10,359.86
  4. Step 4: Simplify right side
    20,225.66x = 314,252,274.78
  5. Step 5: Solve for x
    x = 314,252,274.78/20,225.66
  6. Step 6: Final answer
    x = 15,537.30

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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.