Home / 21,484.74-32,169.66-12,592.77

Finding the Fourth Proportional to 21,484.74, 32,169.66 and 12,592.77

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Solution

The fourth proportional to 21,484.74, 32,169.66 and 12,592.77 is: 18,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.74 : 32,169.66 = 12,592.77 : x
  2. Step 2: Convert to fraction form
    21,484.74/32,169.66 = 12,592.77/x
  3. Step 3: Cross multiply
    21,484.74x = 32,169.66 × 12,592.77
  4. Step 4: Simplify right side
    21,484.74x = 405,104,961.50
  5. Step 5: Solve for x
    x = 405,104,961.50/21,484.74
  6. Step 6: Final answer
    x = 18,855.47

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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.