Home / 21,197.04-31,774.32-10,634.88

Finding the Fourth Proportional to 21,197.04, 31,774.32 and 10,634.88

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Solution

The fourth proportional to 21,197.04, 31,774.32 and 10,634.88 is: 15,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.04 : 31,774.32 = 10,634.88 : x
  2. Step 2: Convert to fraction form
    21,197.04/31,774.32 = 10,634.88/x
  3. Step 3: Cross multiply
    21,197.04x = 31,774.32 × 10,634.88
  4. Step 4: Simplify right side
    21,197.04x = 337,916,080.28
  5. Step 5: Solve for x
    x = 337,916,080.28/21,197.04
  6. Step 6: Final answer
    x = 15,941.66

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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.