Home / 15,558.48-21,470.67-8,484.93

Finding the Fourth Proportional to 15,558.48, 21,470.67 and 8,484.93

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Solution

The fourth proportional to 15,558.48, 21,470.67 and 8,484.93 is: 11,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.48 : 21,470.67 = 8,484.93 : x
  2. Step 2: Convert to fraction form
    15,558.48/21,470.67 = 8,484.93/x
  3. Step 3: Cross multiply
    15,558.48x = 21,470.67 × 8,484.93
  4. Step 4: Simplify right side
    15,558.48x = 182,177,132.00
  5. Step 5: Solve for x
    x = 182,177,132.00/15,558.48
  6. Step 6: Final answer
    x = 11,709.19

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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.