Home / 21,547.37-32,314.77-8,396.61

Finding the Fourth Proportional to 21,547.37, 32,314.77 and 8,396.61

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Solution

The fourth proportional to 21,547.37, 32,314.77 and 8,396.61 is: 12,592.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.37 : 32,314.77 = 8,396.61 : x
  2. Step 2: Convert to fraction form
    21,547.37/32,314.77 = 8,396.61/x
  3. Step 3: Cross multiply
    21,547.37x = 32,314.77 × 8,396.61
  4. Step 4: Simplify right side
    21,547.37x = 271,334,520.93
  5. Step 5: Solve for x
    x = 271,334,520.93/21,547.37
  6. Step 6: Final answer
    x = 12,592.47

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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.