Home / 18,023.81-27,015.64-7,487.96

Finding the Fourth Proportional to 18,023.81, 27,015.64 and 7,487.96

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Solution

The fourth proportional to 18,023.81, 27,015.64 and 7,487.96 is: 11,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.81 : 27,015.64 = 7,487.96 : x
  2. Step 2: Convert to fraction form
    18,023.81/27,015.64 = 7,487.96/x
  3. Step 3: Cross multiply
    18,023.81x = 27,015.64 × 7,487.96
  4. Step 4: Simplify right side
    18,023.81x = 202,292,031.69
  5. Step 5: Solve for x
    x = 202,292,031.69/18,023.81
  6. Step 6: Final answer
    x = 11,223.60

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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.