Home / 19,538.02-29,311.64-6,390.34

Finding the Fourth Proportional to 19,538.02, 29,311.64 and 6,390.34

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Solution

The fourth proportional to 19,538.02, 29,311.64 and 6,390.34 is: 9,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.02 : 29,311.64 = 6,390.34 : x
  2. Step 2: Convert to fraction form
    19,538.02/29,311.64 = 6,390.34/x
  3. Step 3: Cross multiply
    19,538.02x = 29,311.64 × 6,390.34
  4. Step 4: Simplify right side
    19,538.02x = 187,311,345.56
  5. Step 5: Solve for x
    x = 187,311,345.56/19,538.02
  6. Step 6: Final answer
    x = 9,587.02

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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.