Home / 19,141.58-28,710.09-5,102.66

Finding the Fourth Proportional to 19,141.58, 28,710.09 and 5,102.66

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Solution

The fourth proportional to 19,141.58, 28,710.09 and 5,102.66 is: 7,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.58 : 28,710.09 = 5,102.66 : x
  2. Step 2: Convert to fraction form
    19,141.58/28,710.09 = 5,102.66/x
  3. Step 3: Cross multiply
    19,141.58x = 28,710.09 × 5,102.66
  4. Step 4: Simplify right side
    19,141.58x = 146,497,772.82
  5. Step 5: Solve for x
    x = 146,497,772.82/19,141.58
  6. Step 6: Final answer
    x = 7,653.38

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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.