Home / 12,744.28-19,081.86-11,070.28

Finding the Fourth Proportional to 12,744.28, 19,081.86 and 11,070.28

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Solution

The fourth proportional to 12,744.28, 19,081.86 and 11,070.28 is: 16,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.28 : 19,081.86 = 11,070.28 : x
  2. Step 2: Convert to fraction form
    12,744.28/19,081.86 = 11,070.28/x
  3. Step 3: Cross multiply
    12,744.28x = 19,081.86 × 11,070.28
  4. Step 4: Simplify right side
    12,744.28x = 211,241,533.12
  5. Step 5: Solve for x
    x = 211,241,533.12/12,744.28
  6. Step 6: Final answer
    x = 16,575.40

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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.