Home / 18,454.32-27,700.26-13,509.24

Finding the Fourth Proportional to 18,454.32, 27,700.26 and 13,509.24

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Solution

The fourth proportional to 18,454.32, 27,700.26 and 13,509.24 is: 20,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.32 : 27,700.26 = 13,509.24 : x
  2. Step 2: Convert to fraction form
    18,454.32/27,700.26 = 13,509.24/x
  3. Step 3: Cross multiply
    18,454.32x = 27,700.26 × 13,509.24
  4. Step 4: Simplify right side
    18,454.32x = 374,209,460.40
  5. Step 5: Solve for x
    x = 374,209,460.40/18,454.32
  6. Step 6: Final answer
    x = 20,277.61

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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.