Home / 15,102.42-20,826.82-9,051.68

Finding the Fourth Proportional to 15,102.42, 20,826.82 and 9,051.68

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Solution

The fourth proportional to 15,102.42, 20,826.82 and 9,051.68 is: 12,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.42 : 20,826.82 = 9,051.68 : x
  2. Step 2: Convert to fraction form
    15,102.42/20,826.82 = 9,051.68/x
  3. Step 3: Cross multiply
    15,102.42x = 20,826.82 × 9,051.68
  4. Step 4: Simplify right side
    15,102.42x = 188,517,773.44
  5. Step 5: Solve for x
    x = 188,517,773.44/15,102.42
  6. Step 6: Final answer
    x = 12,482.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.