Home / 21,704.86-32,560.53-6,909.40

Finding the Fourth Proportional to 21,704.86, 32,560.53 and 6,909.40

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Solution

The fourth proportional to 21,704.86, 32,560.53 and 6,909.40 is: 10,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.86 : 32,560.53 = 6,909.40 : x
  2. Step 2: Convert to fraction form
    21,704.86/32,560.53 = 6,909.40/x
  3. Step 3: Cross multiply
    21,704.86x = 32,560.53 × 6,909.40
  4. Step 4: Simplify right side
    21,704.86x = 224,973,725.98
  5. Step 5: Solve for x
    x = 224,973,725.98/21,704.86
  6. Step 6: Final answer
    x = 10,365.13

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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.