Home / 12,736.20-19,069.02-9,606.72

Finding the Fourth Proportional to 12,736.20, 19,069.02 and 9,606.72

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Solution

The fourth proportional to 12,736.20, 19,069.02 and 9,606.72 is: 14,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.20 : 19,069.02 = 9,606.72 : x
  2. Step 2: Convert to fraction form
    12,736.20/19,069.02 = 9,606.72/x
  3. Step 3: Cross multiply
    12,736.20x = 19,069.02 × 9,606.72
  4. Step 4: Simplify right side
    12,736.20x = 183,190,735.81
  5. Step 5: Solve for x
    x = 183,190,735.81/12,736.20
  6. Step 6: Final answer
    x = 14,383.47

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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.