Home / 10,860.03-14,990.39-6,383.67

Finding the Fourth Proportional to 10,860.03, 14,990.39 and 6,383.67

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Solution

The fourth proportional to 10,860.03, 14,990.39 and 6,383.67 is: 8,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.03 : 14,990.39 = 6,383.67 : x
  2. Step 2: Convert to fraction form
    10,860.03/14,990.39 = 6,383.67/x
  3. Step 3: Cross multiply
    10,860.03x = 14,990.39 × 6,383.67
  4. Step 4: Simplify right side
    10,860.03x = 95,693,671.01
  5. Step 5: Solve for x
    x = 95,693,671.01/10,860.03
  6. Step 6: Final answer
    x = 8,811.55

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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.