Home / 18,320.53-27,485.13-14,586.43

Finding the Fourth Proportional to 18,320.53, 27,485.13 and 14,586.43

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Solution

The fourth proportional to 18,320.53, 27,485.13 and 14,586.43 is: 21,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.53 : 27,485.13 = 14,586.43 : x
  2. Step 2: Convert to fraction form
    18,320.53/27,485.13 = 14,586.43/x
  3. Step 3: Cross multiply
    18,320.53x = 27,485.13 × 14,586.43
  4. Step 4: Simplify right side
    18,320.53x = 400,909,714.43
  5. Step 5: Solve for x
    x = 400,909,714.43/18,320.53
  6. Step 6: Final answer
    x = 21,883.09

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1.5x scale

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.