Home / 21,449.26-32,130.09-11,039.14

Finding the Fourth Proportional to 21,449.26, 32,130.09 and 11,039.14

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Solution

The fourth proportional to 21,449.26, 32,130.09 and 11,039.14 is: 16,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.26 : 32,130.09 = 11,039.14 : x
  2. Step 2: Convert to fraction form
    21,449.26/32,130.09 = 11,039.14/x
  3. Step 3: Cross multiply
    21,449.26x = 32,130.09 × 11,039.14
  4. Step 4: Simplify right side
    21,449.26x = 354,688,561.72
  5. Step 5: Solve for x
    x = 354,688,561.72/21,449.26
  6. Step 6: Final answer
    x = 16,536.17

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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.