Home / 20,239.83-30,302.51-10,730.49

Finding the Fourth Proportional to 20,239.83, 30,302.51 and 10,730.49

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Solution

The fourth proportional to 20,239.83, 30,302.51 and 10,730.49 is: 16,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.83 : 30,302.51 = 10,730.49 : x
  2. Step 2: Convert to fraction form
    20,239.83/30,302.51 = 10,730.49/x
  3. Step 3: Cross multiply
    20,239.83x = 30,302.51 × 10,730.49
  4. Step 4: Simplify right side
    20,239.83x = 325,160,613.24
  5. Step 5: Solve for x
    x = 325,160,613.24/20,239.83
  6. Step 6: Final answer
    x = 16,065.38

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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.