Home / 18,090.81-27,140.12-5,610.59

Finding the Fourth Proportional to 18,090.81, 27,140.12 and 5,610.59

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Solution

The fourth proportional to 18,090.81, 27,140.12 and 5,610.59 is: 8,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.81 : 27,140.12 = 5,610.59 : x
  2. Step 2: Convert to fraction form
    18,090.81/27,140.12 = 5,610.59/x
  3. Step 3: Cross multiply
    18,090.81x = 27,140.12 × 5,610.59
  4. Step 4: Simplify right side
    18,090.81x = 152,272,044.93
  5. Step 5: Solve for x
    x = 152,272,044.93/18,090.81
  6. Step 6: Final answer
    x = 8,417.09

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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.