Home / 21,345.56-32,019.87-8,197.93

Finding the Fourth Proportional to 21,345.56, 32,019.87 and 8,197.93

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Solution

The fourth proportional to 21,345.56, 32,019.87 and 8,197.93 is: 12,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.56 : 32,019.87 = 8,197.93 : x
  2. Step 2: Convert to fraction form
    21,345.56/32,019.87 = 8,197.93/x
  3. Step 3: Cross multiply
    21,345.56x = 32,019.87 × 8,197.93
  4. Step 4: Simplify right side
    21,345.56x = 262,496,602.42
  5. Step 5: Solve for x
    x = 262,496,602.42/21,345.56
  6. Step 6: Final answer
    x = 12,297.48

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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.