Home / 21,548.64-32,316.62-8,397.86

Finding the Fourth Proportional to 21,548.64, 32,316.62 and 8,397.86

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Solution

The fourth proportional to 21,548.64, 32,316.62 and 8,397.86 is: 12,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.64 : 32,316.62 = 8,397.86 : x
  2. Step 2: Convert to fraction form
    21,548.64/32,316.62 = 8,397.86/x
  3. Step 3: Cross multiply
    21,548.64x = 32,316.62 × 8,397.86
  4. Step 4: Simplify right side
    21,548.64x = 271,390,450.43
  5. Step 5: Solve for x
    x = 271,390,450.43/21,548.64
  6. Step 6: Final answer
    x = 12,594.32

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1.5x scale

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.