Home / 30,186.29-45,286.15-9,923.96

Finding the Fourth Proportional to 30,186.29, 45,286.15 and 9,923.96

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Solution

The fourth proportional to 30,186.29, 45,286.15 and 9,923.96 is: 14,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.29 : 45,286.15 = 9,923.96 : x
  2. Step 2: Convert to fraction form
    30,186.29/45,286.15 = 9,923.96/x
  3. Step 3: Cross multiply
    30,186.29x = 45,286.15 × 9,923.96
  4. Step 4: Simplify right side
    30,186.29x = 449,417,892.89
  5. Step 5: Solve for x
    x = 449,417,892.89/30,186.29
  6. Step 6: Final answer
    x = 14,888.15

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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.