Home / 14,962.65-20,648.21-8,156.75

Finding the Fourth Proportional to 14,962.65, 20,648.21 and 8,156.75

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Solution

The fourth proportional to 14,962.65, 20,648.21 and 8,156.75 is: 11,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.65 : 20,648.21 = 8,156.75 : x
  2. Step 2: Convert to fraction form
    14,962.65/20,648.21 = 8,156.75/x
  3. Step 3: Cross multiply
    14,962.65x = 20,648.21 × 8,156.75
  4. Step 4: Simplify right side
    14,962.65x = 168,422,196.90
  5. Step 5: Solve for x
    x = 168,422,196.90/14,962.65
  6. Step 6: Final answer
    x = 11,256.17

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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.