Home / 14,228.69-19,634.19-7,854.87

Finding the Fourth Proportional to 14,228.69, 19,634.19 and 7,854.87

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Solution

The fourth proportional to 14,228.69, 19,634.19 and 7,854.87 is: 10,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.69 : 19,634.19 = 7,854.87 : x
  2. Step 2: Convert to fraction form
    14,228.69/19,634.19 = 7,854.87/x
  3. Step 3: Cross multiply
    14,228.69x = 19,634.19 × 7,854.87
  4. Step 4: Simplify right side
    14,228.69x = 154,223,872.56
  5. Step 5: Solve for x
    x = 154,223,872.56/14,228.69
  6. Step 6: Final answer
    x = 10,838.94

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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.