Home / 12,736.64-19,070.40-11,162.24

Finding the Fourth Proportional to 12,736.64, 19,070.40 and 11,162.24

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Solution

The fourth proportional to 12,736.64, 19,070.40 and 11,162.24 is: 16,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.64 : 19,070.40 = 11,162.24 : x
  2. Step 2: Convert to fraction form
    12,736.64/19,070.40 = 11,162.24/x
  3. Step 3: Cross multiply
    12,736.64x = 19,070.40 × 11,162.24
  4. Step 4: Simplify right side
    12,736.64x = 212,868,381.70
  5. Step 5: Solve for x
    x = 212,868,381.70/12,736.64
  6. Step 6: Final answer
    x = 16,713.07

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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.