Home / 14,607.04-20,167.44-8,640.62

Finding the Fourth Proportional to 14,607.04, 20,167.44 and 8,640.62

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Solution

The fourth proportional to 14,607.04, 20,167.44 and 8,640.62 is: 11,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.04 : 20,167.44 = 8,640.62 : x
  2. Step 2: Convert to fraction form
    14,607.04/20,167.44 = 8,640.62/x
  3. Step 3: Cross multiply
    14,607.04x = 20,167.44 × 8,640.62
  4. Step 4: Simplify right side
    14,607.04x = 174,259,185.41
  5. Step 5: Solve for x
    x = 174,259,185.41/14,607.04
  6. Step 6: Final answer
    x = 11,929.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.