Home / 18,090.71-27,133.60-4,762.59

Finding the Fourth Proportional to 18,090.71, 27,133.60 and 4,762.59

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Solution

The fourth proportional to 18,090.71, 27,133.60 and 4,762.59 is: 7,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.71 : 27,133.60 = 4,762.59 : x
  2. Step 2: Convert to fraction form
    18,090.71/27,133.60 = 4,762.59/x
  3. Step 3: Cross multiply
    18,090.71x = 27,133.60 × 4,762.59
  4. Step 4: Simplify right side
    18,090.71x = 129,226,212.02
  5. Step 5: Solve for x
    x = 129,226,212.02/18,090.71
  6. Step 6: Final answer
    x = 7,143.24

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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.