Home / 14,962.16-20,646.96-8,247.78

Finding the Fourth Proportional to 14,962.16, 20,646.96 and 8,247.78

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Solution

The fourth proportional to 14,962.16, 20,646.96 and 8,247.78 is: 11,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.16 : 20,646.96 = 8,247.78 : x
  2. Step 2: Convert to fraction form
    14,962.16/20,646.96 = 8,247.78/x
  3. Step 3: Cross multiply
    14,962.16x = 20,646.96 × 8,247.78
  4. Step 4: Simplify right side
    14,962.16x = 170,291,552.82
  5. Step 5: Solve for x
    x = 170,291,552.82/14,962.16
  6. Step 6: Final answer
    x = 11,381.48

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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.