Home / 18,501.90-27,744.75-5,353.98

Finding the Fourth Proportional to 18,501.90, 27,744.75 and 5,353.98

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Solution

The fourth proportional to 18,501.90, 27,744.75 and 5,353.98 is: 8,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.90 : 27,744.75 = 5,353.98 : x
  2. Step 2: Convert to fraction form
    18,501.90/27,744.75 = 5,353.98/x
  3. Step 3: Cross multiply
    18,501.90x = 27,744.75 × 5,353.98
  4. Step 4: Simplify right side
    18,501.90x = 148,544,836.61
  5. Step 5: Solve for x
    x = 148,544,836.61/18,501.90
  6. Step 6: Final answer
    x = 8,028.63

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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.