Home / 21,377.88-32,070.51-9,535.86

Finding the Fourth Proportional to 21,377.88, 32,070.51 and 9,535.86

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Solution

The fourth proportional to 21,377.88, 32,070.51 and 9,535.86 is: 14,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.88 : 32,070.51 = 9,535.86 : x
  2. Step 2: Convert to fraction form
    21,377.88/32,070.51 = 9,535.86/x
  3. Step 3: Cross multiply
    21,377.88x = 32,070.51 × 9,535.86
  4. Step 4: Simplify right side
    21,377.88x = 305,819,893.49
  5. Step 5: Solve for x
    x = 305,819,893.49/21,377.88
  6. Step 6: Final answer
    x = 14,305.44

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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.