Home / 14,918.04-20,586.46-8,203.66

Finding the Fourth Proportional to 14,918.04, 20,586.46 and 8,203.66

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Solution

The fourth proportional to 14,918.04, 20,586.46 and 8,203.66 is: 11,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.04 : 20,586.46 = 8,203.66 : x
  2. Step 2: Convert to fraction form
    14,918.04/20,586.46 = 8,203.66/x
  3. Step 3: Cross multiply
    14,918.04x = 20,586.46 × 8,203.66
  4. Step 4: Simplify right side
    14,918.04x = 168,884,318.44
  5. Step 5: Solve for x
    x = 168,884,318.44/14,918.04
  6. Step 6: Final answer
    x = 11,320.81

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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.