Home / 18,516.24-27,774.48-5,368.80

Finding the Fourth Proportional to 18,516.24, 27,774.48 and 5,368.80

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Solution

The fourth proportional to 18,516.24, 27,774.48 and 5,368.80 is: 8,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.24 : 27,774.48 = 5,368.80 : x
  2. Step 2: Convert to fraction form
    18,516.24/27,774.48 = 5,368.80/x
  3. Step 3: Cross multiply
    18,516.24x = 27,774.48 × 5,368.80
  4. Step 4: Simplify right side
    18,516.24x = 149,115,628.22
  5. Step 5: Solve for x
    x = 149,115,628.22/18,516.24
  6. Step 6: Final answer
    x = 8,053.23

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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.