Home / 13,934.50-19,229.64-7,646.86

Finding the Fourth Proportional to 13,934.50, 19,229.64 and 7,646.86

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Solution

The fourth proportional to 13,934.50, 19,229.64 and 7,646.86 is: 10,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.50 : 19,229.64 = 7,646.86 : x
  2. Step 2: Convert to fraction form
    13,934.50/19,229.64 = 7,646.86/x
  3. Step 3: Cross multiply
    13,934.50x = 19,229.64 × 7,646.86
  4. Step 4: Simplify right side
    13,934.50x = 147,046,364.93
  5. Step 5: Solve for x
    x = 147,046,364.93/13,934.50
  6. Step 6: Final answer
    x = 10,552.68

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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.