Home / 19,357.20-29,011.19-9,488.36

Finding the Fourth Proportional to 19,357.20, 29,011.19 and 9,488.36

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Solution

The fourth proportional to 19,357.20, 29,011.19 and 9,488.36 is: 14,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.20 : 29,011.19 = 9,488.36 : x
  2. Step 2: Convert to fraction form
    19,357.20/29,011.19 = 9,488.36/x
  3. Step 3: Cross multiply
    19,357.20x = 29,011.19 × 9,488.36
  4. Step 4: Simplify right side
    19,357.20x = 275,268,639.83
  5. Step 5: Solve for x
    x = 275,268,639.83/19,357.20
  6. Step 6: Final answer
    x = 14,220.48

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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.