Home / 18,378.72-27,567.99-14,688.18

Finding the Fourth Proportional to 18,378.72, 27,567.99 and 14,688.18

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Solution

The fourth proportional to 18,378.72, 27,567.99 and 14,688.18 is: 22,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378.72 : 27,567.99 = 14,688.18 : x
  2. Step 2: Convert to fraction form
    18,378.72/27,567.99 = 14,688.18/x
  3. Step 3: Cross multiply
    18,378.72x = 27,567.99 × 14,688.18
  4. Step 4: Simplify right side
    18,378.72x = 404,923,599.36
  5. Step 5: Solve for x
    x = 404,923,599.36/18,378.72
  6. Step 6: Final answer
    x = 22,032.20

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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.