Home / 19,929.01-29,895.24-5,137.81

Finding the Fourth Proportional to 19,929.01, 29,895.24 and 5,137.81

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Solution

The fourth proportional to 19,929.01, 29,895.24 and 5,137.81 is: 7,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.01 : 29,895.24 = 5,137.81 : x
  2. Step 2: Convert to fraction form
    19,929.01/29,895.24 = 5,137.81/x
  3. Step 3: Cross multiply
    19,929.01x = 29,895.24 × 5,137.81
  4. Step 4: Simplify right side
    19,929.01x = 153,595,969.89
  5. Step 5: Solve for x
    x = 153,595,969.89/19,929.01
  6. Step 6: Final answer
    x = 7,707.15

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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.