Home / 19,880.19-29,827.17-10,011.42

Finding the Fourth Proportional to 19,880.19, 29,827.17 and 10,011.42

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Solution

The fourth proportional to 19,880.19, 29,827.17 and 10,011.42 is: 15,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.19 : 29,827.17 = 10,011.42 : x
  2. Step 2: Convert to fraction form
    19,880.19/29,827.17 = 10,011.42/x
  3. Step 3: Cross multiply
    19,880.19x = 29,827.17 × 10,011.42
  4. Step 4: Simplify right side
    19,880.19x = 298,612,326.28
  5. Step 5: Solve for x
    x = 298,612,326.28/19,880.19
  6. Step 6: Final answer
    x = 15,020.60

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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.