Home / 21,803.34-30,097.74-14,739.32

Finding the Fourth Proportional to 21,803.34, 30,097.74 and 14,739.32

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Solution

The fourth proportional to 21,803.34, 30,097.74 and 14,739.32 is: 20,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.34 : 30,097.74 = 14,739.32 : x
  2. Step 2: Convert to fraction form
    21,803.34/30,097.74 = 14,739.32/x
  3. Step 3: Cross multiply
    21,803.34x = 30,097.74 × 14,739.32
  4. Step 4: Simplify right side
    21,803.34x = 443,620,221.14
  5. Step 5: Solve for x
    x = 443,620,221.14/21,803.34
  6. Step 6: Final answer
    x = 20,346.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.