Home / 18,337.34-25,305.80-9,953.84

Finding the Fourth Proportional to 18,337.34, 25,305.80 and 9,953.84

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Solution

The fourth proportional to 18,337.34, 25,305.80 and 9,953.84 is: 13,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.34 : 25,305.80 = 9,953.84 : x
  2. Step 2: Convert to fraction form
    18,337.34/25,305.80 = 9,953.84/x
  3. Step 3: Cross multiply
    18,337.34x = 25,305.80 × 9,953.84
  4. Step 4: Simplify right side
    18,337.34x = 251,889,707.97
  5. Step 5: Solve for x
    x = 251,889,707.97/18,337.34
  6. Step 6: Final answer
    x = 13,736.44

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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.