Home / 21,421.75-32,153.40-10,336.23

Finding the Fourth Proportional to 21,421.75, 32,153.40 and 10,336.23

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Solution

The fourth proportional to 21,421.75, 32,153.40 and 10,336.23 is: 15,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421.75 : 32,153.40 = 10,336.23 : x
  2. Step 2: Convert to fraction form
    21,421.75/32,153.40 = 10,336.23/x
  3. Step 3: Cross multiply
    21,421.75x = 32,153.40 × 10,336.23
  4. Step 4: Simplify right side
    21,421.75x = 332,344,937.68
  5. Step 5: Solve for x
    x = 332,344,937.68/21,421.75
  6. Step 6: Final answer
    x = 15,514.37

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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.