Home / 15,476.48-21,357.99-8,403.35

Finding the Fourth Proportional to 15,476.48, 21,357.99 and 8,403.35

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Solution

The fourth proportional to 15,476.48, 21,357.99 and 8,403.35 is: 11,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.48 : 21,357.99 = 8,403.35 : x
  2. Step 2: Convert to fraction form
    15,476.48/21,357.99 = 8,403.35/x
  3. Step 3: Cross multiply
    15,476.48x = 21,357.99 × 8,403.35
  4. Step 4: Simplify right side
    15,476.48x = 179,478,665.27
  5. Step 5: Solve for x
    x = 179,478,665.27/15,476.48
  6. Step 6: Final answer
    x = 11,596.87

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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.