Home / 20,323.98-30,465.02-11,540.34

Finding the Fourth Proportional to 20,323.98, 30,465.02 and 11,540.34

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Solution

The fourth proportional to 20,323.98, 30,465.02 and 11,540.34 is: 17,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.98 : 30,465.02 = 11,540.34 : x
  2. Step 2: Convert to fraction form
    20,323.98/30,465.02 = 11,540.34/x
  3. Step 3: Cross multiply
    20,323.98x = 30,465.02 × 11,540.34
  4. Step 4: Simplify right side
    20,323.98x = 351,576,688.91
  5. Step 5: Solve for x
    x = 351,576,688.91/20,323.98
  6. Step 6: Final answer
    x = 17,298.61

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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.