Home / 15,447.73-21,317.04-8,732.96

Finding the Fourth Proportional to 15,447.73, 21,317.04 and 8,732.96

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Solution

The fourth proportional to 15,447.73, 21,317.04 and 8,732.96 is: 12,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.73 : 21,317.04 = 8,732.96 : x
  2. Step 2: Convert to fraction form
    15,447.73/21,317.04 = 8,732.96/x
  3. Step 3: Cross multiply
    15,447.73x = 21,317.04 × 8,732.96
  4. Step 4: Simplify right side
    15,447.73x = 186,160,804.35
  5. Step 5: Solve for x
    x = 186,160,804.35/15,447.73
  6. Step 6: Final answer
    x = 12,051.01

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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.