Home / 15,254.73-21,051.31-8,448.11

Finding the Fourth Proportional to 15,254.73, 21,051.31 and 8,448.11

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Solution

The fourth proportional to 15,254.73, 21,051.31 and 8,448.11 is: 11,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.73 : 21,051.31 = 8,448.11 : x
  2. Step 2: Convert to fraction form
    15,254.73/21,051.31 = 8,448.11/x
  3. Step 3: Cross multiply
    15,254.73x = 21,051.31 × 8,448.11
  4. Step 4: Simplify right side
    15,254.73x = 177,843,656.15
  5. Step 5: Solve for x
    x = 177,843,656.15/15,254.73
  6. Step 6: Final answer
    x = 11,658.26

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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.