Home / 13,117.24-19,676.04-7,310.76

Finding the Fourth Proportional to 13,117.24, 19,676.04 and 7,310.76

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Solution

The fourth proportional to 13,117.24, 19,676.04 and 7,310.76 is: 10,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.24 : 19,676.04 = 7,310.76 : x
  2. Step 2: Convert to fraction form
    13,117.24/19,676.04 = 7,310.76/x
  3. Step 3: Cross multiply
    13,117.24x = 19,676.04 × 7,310.76
  4. Step 4: Simplify right side
    13,117.24x = 143,846,806.19
  5. Step 5: Solve for x
    x = 143,846,806.19/13,117.24
  6. Step 6: Final answer
    x = 10,966.24

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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.