Home / 17,948.16-26,933.76-8,709.12

Finding the Fourth Proportional to 17,948.16, 26,933.76 and 8,709.12

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Solution

The fourth proportional to 17,948.16, 26,933.76 and 8,709.12 is: 13,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.16 : 26,933.76 = 8,709.12 : x
  2. Step 2: Convert to fraction form
    17,948.16/26,933.76 = 8,709.12/x
  3. Step 3: Cross multiply
    17,948.16x = 26,933.76 × 8,709.12
  4. Step 4: Simplify right side
    17,948.16x = 234,569,347.89
  5. Step 5: Solve for x
    x = 234,569,347.89/17,948.16
  6. Step 6: Final answer
    x = 13,069.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.