Home / 18,320.68-27,485.33-14,586.57

Finding the Fourth Proportional to 18,320.68, 27,485.33 and 14,586.57

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Solution

The fourth proportional to 18,320.68, 27,485.33 and 14,586.57 is: 21,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.68 : 27,485.33 = 14,586.57 : x
  2. Step 2: Convert to fraction form
    18,320.68/27,485.33 = 14,586.57/x
  3. Step 3: Cross multiply
    18,320.68x = 27,485.33 × 14,586.57
  4. Step 4: Simplify right side
    18,320.68x = 400,916,690.02
  5. Step 5: Solve for x
    x = 400,916,690.02/18,320.68
  6. Step 6: Final answer
    x = 21,883.29

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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.