Home / 20,403.42-30,590.54-10,022.46

Finding the Fourth Proportional to 20,403.42, 30,590.54 and 10,022.46

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Solution

The fourth proportional to 20,403.42, 30,590.54 and 10,022.46 is: 15,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.42 : 30,590.54 = 10,022.46 : x
  2. Step 2: Convert to fraction form
    20,403.42/30,590.54 = 10,022.46/x
  3. Step 3: Cross multiply
    20,403.42x = 30,590.54 × 10,022.46
  4. Step 4: Simplify right side
    20,403.42x = 306,592,463.53
  5. Step 5: Solve for x
    x = 306,592,463.53/20,403.42
  6. Step 6: Final answer
    x = 15,026.52

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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.