Home / 19,899.10-29,838.37-5,857.30

Finding the Fourth Proportional to 19,899.10, 29,838.37 and 5,857.30

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Solution

The fourth proportional to 19,899.10, 29,838.37 and 5,857.30 is: 8,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.10 : 29,838.37 = 5,857.30 : x
  2. Step 2: Convert to fraction form
    19,899.10/29,838.37 = 5,857.30/x
  3. Step 3: Cross multiply
    19,899.10x = 29,838.37 × 5,857.30
  4. Step 4: Simplify right side
    19,899.10x = 174,772,284.60
  5. Step 5: Solve for x
    x = 174,772,284.60/19,899.10
  6. Step 6: Final answer
    x = 8,782.92

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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.