Home / 19,357.72-29,038.38-5,317.90

Finding the Fourth Proportional to 19,357.72, 29,038.38 and 5,317.90

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Solution

The fourth proportional to 19,357.72, 29,038.38 and 5,317.90 is: 7,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.72 : 29,038.38 = 5,317.90 : x
  2. Step 2: Convert to fraction form
    19,357.72/29,038.38 = 5,317.90/x
  3. Step 3: Cross multiply
    19,357.72x = 29,038.38 × 5,317.90
  4. Step 4: Simplify right side
    19,357.72x = 154,423,201.00
  5. Step 5: Solve for x
    x = 154,423,201.00/19,357.72
  6. Step 6: Final answer
    x = 7,977.34

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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.