Home / 15,809.84-23,691.96-12,045.45

Finding the Fourth Proportional to 15,809.84, 23,691.96 and 12,045.45

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Solution

The fourth proportional to 15,809.84, 23,691.96 and 12,045.45 is: 18,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.84 : 23,691.96 = 12,045.45 : x
  2. Step 2: Convert to fraction form
    15,809.84/23,691.96 = 12,045.45/x
  3. Step 3: Cross multiply
    15,809.84x = 23,691.96 × 12,045.45
  4. Step 4: Simplify right side
    15,809.84x = 285,380,319.58
  5. Step 5: Solve for x
    x = 285,380,319.58/15,809.84
  6. Step 6: Final answer
    x = 18,050.81

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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.