Home / 13,106.96-19,663.68-4,342.76

Finding the Fourth Proportional to 13,106.96, 19,663.68 and 4,342.76

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Solution

The fourth proportional to 13,106.96, 19,663.68 and 4,342.76 is: 6,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.96 : 19,663.68 = 4,342.76 : x
  2. Step 2: Convert to fraction form
    13,106.96/19,663.68 = 4,342.76/x
  3. Step 3: Cross multiply
    13,106.96x = 19,663.68 × 4,342.76
  4. Step 4: Simplify right side
    13,106.96x = 85,394,642.96
  5. Step 5: Solve for x
    x = 85,394,642.96/13,106.96
  6. Step 6: Final answer
    x = 6,515.21

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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.