Home / 19,392.19-29,088.38-7,705.38

Finding the Fourth Proportional to 19,392.19, 29,088.38 and 7,705.38

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Solution

The fourth proportional to 19,392.19, 29,088.38 and 7,705.38 is: 11,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.19 : 29,088.38 = 7,705.38 : x
  2. Step 2: Convert to fraction form
    19,392.19/29,088.38 = 7,705.38/x
  3. Step 3: Cross multiply
    19,392.19x = 29,088.38 × 7,705.38
  4. Step 4: Simplify right side
    19,392.19x = 224,137,021.48
  5. Step 5: Solve for x
    x = 224,137,021.48/19,392.19
  6. Step 6: Final answer
    x = 11,558.11

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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.