Home / 21,063.32-31,614.42-10,682.36

Finding the Fourth Proportional to 21,063.32, 31,614.42 and 10,682.36

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Solution

The fourth proportional to 21,063.32, 31,614.42 and 10,682.36 is: 16,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.32 : 31,614.42 = 10,682.36 : x
  2. Step 2: Convert to fraction form
    21,063.32/31,614.42 = 10,682.36/x
  3. Step 3: Cross multiply
    21,063.32x = 31,614.42 × 10,682.36
  4. Step 4: Simplify right side
    21,063.32x = 337,716,615.63
  5. Step 5: Solve for x
    x = 337,716,615.63/21,063.32
  6. Step 6: Final answer
    x = 16,033.40

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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.