Home / 19,518.32-29,220.06-12,098.96

Finding the Fourth Proportional to 19,518.32, 29,220.06 and 12,098.96

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Solution

The fourth proportional to 19,518.32, 29,220.06 and 12,098.96 is: 18,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.32 : 29,220.06 = 12,098.96 : x
  2. Step 2: Convert to fraction form
    19,518.32/29,220.06 = 12,098.96/x
  3. Step 3: Cross multiply
    19,518.32x = 29,220.06 × 12,098.96
  4. Step 4: Simplify right side
    19,518.32x = 353,532,337.14
  5. Step 5: Solve for x
    x = 353,532,337.14/19,518.32
  6. Step 6: Final answer
    x = 18,112.85

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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.