Home / 10,830.03-16,211.01-6,885.74

Finding the Fourth Proportional to 10,830.03, 16,211.01 and 6,885.74

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Solution

The fourth proportional to 10,830.03, 16,211.01 and 6,885.74 is: 10,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.03 : 16,211.01 = 6,885.74 : x
  2. Step 2: Convert to fraction form
    10,830.03/16,211.01 = 6,885.74/x
  3. Step 3: Cross multiply
    10,830.03x = 16,211.01 × 6,885.74
  4. Step 4: Simplify right side
    10,830.03x = 111,624,755.79
  5. Step 5: Solve for x
    x = 111,624,755.79/10,830.03
  6. Step 6: Final answer
    x = 10,306.97

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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.