Home / 15,467.48-21,345.53-8,393.91

Finding the Fourth Proportional to 15,467.48, 21,345.53 and 8,393.91

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Solution

The fourth proportional to 15,467.48, 21,345.53 and 8,393.91 is: 11,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.48 : 21,345.53 = 8,393.91 : x
  2. Step 2: Convert to fraction form
    15,467.48/21,345.53 = 8,393.91/x
  3. Step 3: Cross multiply
    15,467.48x = 21,345.53 × 8,393.91
  4. Step 4: Simplify right side
    15,467.48x = 179,172,457.72
  5. Step 5: Solve for x
    x = 179,172,457.72/15,467.48
  6. Step 6: Final answer
    x = 11,583.82

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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.