Home / 15,537.12-23,297.28-8,123.76

Finding the Fourth Proportional to 15,537.12, 23,297.28 and 8,123.76

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Solution

The fourth proportional to 15,537.12, 23,297.28 and 8,123.76 is: 12,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.12 : 23,297.28 = 8,123.76 : x
  2. Step 2: Convert to fraction form
    15,537.12/23,297.28 = 8,123.76/x
  3. Step 3: Cross multiply
    15,537.12x = 23,297.28 × 8,123.76
  4. Step 4: Simplify right side
    15,537.12x = 189,261,511.37
  5. Step 5: Solve for x
    x = 189,261,511.37/15,537.12
  6. Step 6: Final answer
    x = 12,181.25

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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.