Home / 20,994.69-31,484.75-6,199.64

Finding the Fourth Proportional to 20,994.69, 31,484.75 and 6,199.64

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Solution

The fourth proportional to 20,994.69, 31,484.75 and 6,199.64 is: 9,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994.69 : 31,484.75 = 6,199.64 : x
  2. Step 2: Convert to fraction form
    20,994.69/31,484.75 = 6,199.64/x
  3. Step 3: Cross multiply
    20,994.69x = 31,484.75 × 6,199.64
  4. Step 4: Simplify right side
    20,994.69x = 195,194,068.38
  5. Step 5: Solve for x
    x = 195,194,068.38/20,994.69
  6. Step 6: Final answer
    x = 9,297.30

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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.