Home / 15,550.96-21,459.89-8,477.38

Finding the Fourth Proportional to 15,550.96, 21,459.89 and 8,477.38

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Solution

The fourth proportional to 15,550.96, 21,459.89 and 8,477.38 is: 11,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.96 : 21,459.89 = 8,477.38 : x
  2. Step 2: Convert to fraction form
    15,550.96/21,459.89 = 8,477.38/x
  3. Step 3: Cross multiply
    15,550.96x = 21,459.89 × 8,477.38
  4. Step 4: Simplify right side
    15,550.96x = 181,923,534.99
  5. Step 5: Solve for x
    x = 181,923,534.99/15,550.96
  6. Step 6: Final answer
    x = 11,698.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.