Home / 18,368.64-27,548.91-8,999.37

Finding the Fourth Proportional to 18,368.64, 27,548.91 and 8,999.37

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Solution

The fourth proportional to 18,368.64, 27,548.91 and 8,999.37 is: 13,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.64 : 27,548.91 = 8,999.37 : x
  2. Step 2: Convert to fraction form
    18,368.64/27,548.91 = 8,999.37/x
  3. Step 3: Cross multiply
    18,368.64x = 27,548.91 × 8,999.37
  4. Step 4: Simplify right side
    18,368.64x = 247,922,834.19
  5. Step 5: Solve for x
    x = 247,922,834.19/18,368.64
  6. Step 6: Final answer
    x = 13,497.07

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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.