Home / 17,717.12-24,440.64-13,518.08

Finding the Fourth Proportional to 17,717.12, 24,440.64 and 13,518.08

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Solution

The fourth proportional to 17,717.12, 24,440.64 and 13,518.08 is: 18,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.12 : 24,440.64 = 13,518.08 : x
  2. Step 2: Convert to fraction form
    17,717.12/24,440.64 = 13,518.08/x
  3. Step 3: Cross multiply
    17,717.12x = 24,440.64 × 13,518.08
  4. Step 4: Simplify right side
    17,717.12x = 330,390,526.77
  5. Step 5: Solve for x
    x = 330,390,526.77/17,717.12
  6. Step 6: Final answer
    x = 18,648.09

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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.