Home / 9,994.12-15,000.27-5,318.04

Finding the Fourth Proportional to 9,994.12, 15,000.27 and 5,318.04

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Solution

The fourth proportional to 9,994.12, 15,000.27 and 5,318.04 is: 7,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.12 : 15,000.27 = 5,318.04 : x
  2. Step 2: Convert to fraction form
    9,994.12/15,000.27 = 5,318.04/x
  3. Step 3: Cross multiply
    9,994.12x = 15,000.27 × 5,318.04
  4. Step 4: Simplify right side
    9,994.12x = 79,772,072.18
  5. Step 5: Solve for x
    x = 79,772,072.18/9,994.12
  6. Step 6: Final answer
    x = 7,981.90

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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.