Home / 21,566.20-32,323.70-9,086.20

Finding the Fourth Proportional to 21,566.20, 32,323.70 and 9,086.20

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Solution

The fourth proportional to 21,566.20, 32,323.70 and 9,086.20 is: 13,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.20 : 32,323.70 = 9,086.20 : x
  2. Step 2: Convert to fraction form
    21,566.20/32,323.70 = 9,086.20/x
  3. Step 3: Cross multiply
    21,566.20x = 32,323.70 × 9,086.20
  4. Step 4: Simplify right side
    21,566.20x = 293,699,602.94
  5. Step 5: Solve for x
    x = 293,699,602.94/21,566.20
  6. Step 6: Final answer
    x = 13,618.51

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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.