Home / 14,117.24-19,481.40-7,743.72

Finding the Fourth Proportional to 14,117.24, 19,481.40 and 7,743.72

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Solution

The fourth proportional to 14,117.24, 19,481.40 and 7,743.72 is: 10,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.24 : 19,481.40 = 7,743.72 : x
  2. Step 2: Convert to fraction form
    14,117.24/19,481.40 = 7,743.72/x
  3. Step 3: Cross multiply
    14,117.24x = 19,481.40 × 7,743.72
  4. Step 4: Simplify right side
    14,117.24x = 150,858,506.81
  5. Step 5: Solve for x
    x = 150,858,506.81/14,117.24
  6. Step 6: Final answer
    x = 10,686.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.