Home / 19,317.16-28,981.24-6,170.56

Finding the Fourth Proportional to 19,317.16, 28,981.24 and 6,170.56

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Solution

The fourth proportional to 19,317.16, 28,981.24 and 6,170.56 is: 9,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.16 : 28,981.24 = 6,170.56 : x
  2. Step 2: Convert to fraction form
    19,317.16/28,981.24 = 6,170.56/x
  3. Step 3: Cross multiply
    19,317.16x = 28,981.24 × 6,170.56
  4. Step 4: Simplify right side
    19,317.16x = 178,830,480.29
  5. Step 5: Solve for x
    x = 178,830,480.29/19,317.16
  6. Step 6: Final answer
    x = 9,257.60

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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.