Home / 13,026.96-19,491.66-7,742.70

Finding the Fourth Proportional to 13,026.96, 19,491.66 and 7,742.70

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Solution

The fourth proportional to 13,026.96, 19,491.66 and 7,742.70 is: 11,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.96 : 19,491.66 = 7,742.70 : x
  2. Step 2: Convert to fraction form
    13,026.96/19,491.66 = 7,742.70/x
  3. Step 3: Cross multiply
    13,026.96x = 19,491.66 × 7,742.70
  4. Step 4: Simplify right side
    13,026.96x = 150,918,075.88
  5. Step 5: Solve for x
    x = 150,918,075.88/13,026.96
  6. Step 6: Final answer
    x = 11,585.06

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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.