Home / 19,488.08-29,232.12-6,341.78

Finding the Fourth Proportional to 19,488.08, 29,232.12 and 6,341.78

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Solution

The fourth proportional to 19,488.08, 29,232.12 and 6,341.78 is: 9,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.08 : 29,232.12 = 6,341.78 : x
  2. Step 2: Convert to fraction form
    19,488.08/29,232.12 = 6,341.78/x
  3. Step 3: Cross multiply
    19,488.08x = 29,232.12 × 6,341.78
  4. Step 4: Simplify right side
    19,488.08x = 185,383,673.97
  5. Step 5: Solve for x
    x = 185,383,673.97/19,488.08
  6. Step 6: Final answer
    x = 9,512.67

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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.