Home / 18,094.89-27,123.74-10,287.21

Finding the Fourth Proportional to 18,094.89, 27,123.74 and 10,287.21

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Solution

The fourth proportional to 18,094.89, 27,123.74 and 10,287.21 is: 15,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.89 : 27,123.74 = 10,287.21 : x
  2. Step 2: Convert to fraction form
    18,094.89/27,123.74 = 10,287.21/x
  3. Step 3: Cross multiply
    18,094.89x = 27,123.74 × 10,287.21
  4. Step 4: Simplify right side
    18,094.89x = 279,027,557.93
  5. Step 5: Solve for x
    x = 279,027,557.93/18,094.89
  6. Step 6: Final answer
    x = 15,420.24

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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.