Home / 20,016.02-30,017.50-11,135.58

Finding the Fourth Proportional to 20,016.02, 30,017.50 and 11,135.58

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Solution

The fourth proportional to 20,016.02, 30,017.50 and 11,135.58 is: 16,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.02 : 30,017.50 = 11,135.58 : x
  2. Step 2: Convert to fraction form
    20,016.02/30,017.50 = 11,135.58/x
  3. Step 3: Cross multiply
    20,016.02x = 30,017.50 × 11,135.58
  4. Step 4: Simplify right side
    20,016.02x = 334,262,272.65
  5. Step 5: Solve for x
    x = 334,262,272.65/20,016.02
  6. Step 6: Final answer
    x = 16,699.74

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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.