Home / 15,027.60-20,736.30-9,284.16

Finding the Fourth Proportional to 15,027.60, 20,736.30 and 9,284.16

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Solution

The fourth proportional to 15,027.60, 20,736.30 and 9,284.16 is: 12,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.60 : 20,736.30 = 9,284.16 : x
  2. Step 2: Convert to fraction form
    15,027.60/20,736.30 = 9,284.16/x
  3. Step 3: Cross multiply
    15,027.60x = 20,736.30 × 9,284.16
  4. Step 4: Simplify right side
    15,027.60x = 192,519,127.01
  5. Step 5: Solve for x
    x = 192,519,127.01/15,027.60
  6. Step 6: Final answer
    x = 12,811.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.