Home / 21,173.04-31,738.44-10,610.76

Finding the Fourth Proportional to 21,173.04, 31,738.44 and 10,610.76

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Solution

The fourth proportional to 21,173.04, 31,738.44 and 10,610.76 is: 15,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173.04 : 31,738.44 = 10,610.76 : x
  2. Step 2: Convert to fraction form
    21,173.04/31,738.44 = 10,610.76/x
  3. Step 3: Cross multiply
    21,173.04x = 31,738.44 × 10,610.76
  4. Step 4: Simplify right side
    21,173.04x = 336,768,969.61
  5. Step 5: Solve for x
    x = 336,768,969.61/21,173.04
  6. Step 6: Final answer
    x = 15,905.56

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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.