Home / 18,588.32-27,901.92-13,663.52

Finding the Fourth Proportional to 18,588.32, 27,901.92 and 13,663.52

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Solution

The fourth proportional to 18,588.32, 27,901.92 and 13,663.52 is: 20,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.32 : 27,901.92 = 13,663.52 : x
  2. Step 2: Convert to fraction form
    18,588.32/27,901.92 = 13,663.52/x
  3. Step 3: Cross multiply
    18,588.32x = 27,901.92 × 13,663.52
  4. Step 4: Simplify right side
    18,588.32x = 381,238,441.96
  5. Step 5: Solve for x
    x = 381,238,441.96/18,588.32
  6. Step 6: Final answer
    x = 20,509.57

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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.