Home / 18,133.14-27,199.47-4,985.52

Finding the Fourth Proportional to 18,133.14, 27,199.47 and 4,985.52

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Solution

The fourth proportional to 18,133.14, 27,199.47 and 4,985.52 is: 7,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.14 : 27,199.47 = 4,985.52 : x
  2. Step 2: Convert to fraction form
    18,133.14/27,199.47 = 4,985.52/x
  3. Step 3: Cross multiply
    18,133.14x = 27,199.47 × 4,985.52
  4. Step 4: Simplify right side
    18,133.14x = 135,603,501.67
  5. Step 5: Solve for x
    x = 135,603,501.67/18,133.14
  6. Step 6: Final answer
    x = 7,478.21

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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.