Home / 13,106.74-19,663.76-5,711.85

Finding the Fourth Proportional to 13,106.74, 19,663.76 and 5,711.85

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Solution

The fourth proportional to 13,106.74, 19,663.76 and 5,711.85 is: 8,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.74 : 19,663.76 = 5,711.85 : x
  2. Step 2: Convert to fraction form
    13,106.74/19,663.76 = 5,711.85/x
  3. Step 3: Cross multiply
    13,106.74x = 19,663.76 × 5,711.85
  4. Step 4: Simplify right side
    13,106.74x = 112,316,447.56
  5. Step 5: Solve for x
    x = 112,316,447.56/13,106.74
  6. Step 6: Final answer
    x = 8,569.37

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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.