Home / 15,550.29-21,459.87-8,476.83

Finding the Fourth Proportional to 15,550.29, 21,459.87 and 8,476.83

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Solution

The fourth proportional to 15,550.29, 21,459.87 and 8,476.83 is: 11,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.29 : 21,459.87 = 8,476.83 : x
  2. Step 2: Convert to fraction form
    15,550.29/21,459.87 = 8,476.83/x
  3. Step 3: Cross multiply
    15,550.29x = 21,459.87 × 8,476.83
  4. Step 4: Simplify right side
    15,550.29x = 181,911,669.81
  5. Step 5: Solve for x
    x = 181,911,669.81/15,550.29
  6. Step 6: Final answer
    x = 11,698.28

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