Home / 19,488.90-29,203.61-10,131.96

Finding the Fourth Proportional to 19,488.90, 29,203.61 and 10,131.96

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Solution

The fourth proportional to 19,488.90, 29,203.61 and 10,131.96 is: 15,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.90 : 29,203.61 = 10,131.96 : x
  2. Step 2: Convert to fraction form
    19,488.90/29,203.61 = 10,131.96/x
  3. Step 3: Cross multiply
    19,488.90x = 29,203.61 × 10,131.96
  4. Step 4: Simplify right side
    19,488.90x = 295,889,808.38
  5. Step 5: Solve for x
    x = 295,889,808.38/19,488.90
  6. Step 6: Final answer
    x = 15,182.48

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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.