Home / 21,600.42-32,400.86-6,018.05

Finding the Fourth Proportional to 21,600.42, 32,400.86 and 6,018.05

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Solution

The fourth proportional to 21,600.42, 32,400.86 and 6,018.05 is: 9,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.42 : 32,400.86 = 6,018.05 : x
  2. Step 2: Convert to fraction form
    21,600.42/32,400.86 = 6,018.05/x
  3. Step 3: Cross multiply
    21,600.42x = 32,400.86 × 6,018.05
  4. Step 4: Simplify right side
    21,600.42x = 194,989,898.03
  5. Step 5: Solve for x
    x = 194,989,898.03/21,600.42
  6. Step 6: Final answer
    x = 9,027.13

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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.