Home / 18,521.06-27,765.18-14,157.99

Finding the Fourth Proportional to 18,521.06, 27,765.18 and 14,157.99

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Solution

The fourth proportional to 18,521.06, 27,765.18 and 14,157.99 is: 21,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.06 : 27,765.18 = 14,157.99 : x
  2. Step 2: Convert to fraction form
    18,521.06/27,765.18 = 14,157.99/x
  3. Step 3: Cross multiply
    18,521.06x = 27,765.18 × 14,157.99
  4. Step 4: Simplify right side
    18,521.06x = 393,099,140.79
  5. Step 5: Solve for x
    x = 393,099,140.79/18,521.06
  6. Step 6: Final answer
    x = 21,224.45

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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.