Home / 14,120.48-21,176.40-9,765.92

Finding the Fourth Proportional to 14,120.48, 21,176.40 and 9,765.92

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Solution

The fourth proportional to 14,120.48, 21,176.40 and 9,765.92 is: 14,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.48 : 21,176.40 = 9,765.92 : x
  2. Step 2: Convert to fraction form
    14,120.48/21,176.40 = 9,765.92/x
  3. Step 3: Cross multiply
    14,120.48x = 21,176.40 × 9,765.92
  4. Step 4: Simplify right side
    14,120.48x = 206,807,028.29
  5. Step 5: Solve for x
    x = 206,807,028.29/14,120.48
  6. Step 6: Final answer
    x = 14,645.89

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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.