Home / 21,439.70-32,090.43-11,037.14

Finding the Fourth Proportional to 21,439.70, 32,090.43 and 11,037.14

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Solution

The fourth proportional to 21,439.70, 32,090.43 and 11,037.14 is: 16,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439.70 : 32,090.43 = 11,037.14 : x
  2. Step 2: Convert to fraction form
    21,439.70/32,090.43 = 11,037.14/x
  3. Step 3: Cross multiply
    21,439.70x = 32,090.43 × 11,037.14
  4. Step 4: Simplify right side
    21,439.70x = 354,186,568.57
  5. Step 5: Solve for x
    x = 354,186,568.57/21,439.70
  6. Step 6: Final answer
    x = 16,520.13

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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.