Home / 21,747.40-32,651.70-11,224.60

Finding the Fourth Proportional to 21,747.40, 32,651.70 and 11,224.60

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Solution

The fourth proportional to 21,747.40, 32,651.70 and 11,224.60 is: 16,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.40 : 32,651.70 = 11,224.60 : x
  2. Step 2: Convert to fraction form
    21,747.40/32,651.70 = 11,224.60/x
  3. Step 3: Cross multiply
    21,747.40x = 32,651.70 × 11,224.60
  4. Step 4: Simplify right side
    21,747.40x = 366,502,271.82
  5. Step 5: Solve for x
    x = 366,502,271.82/21,747.40
  6. Step 6: Final answer
    x = 16,852.69

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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.