Home / 11,114.49-15,339.33-6,398.67

Finding the Fourth Proportional to 11,114.49, 15,339.33 and 6,398.67

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Solution

The fourth proportional to 11,114.49, 15,339.33 and 6,398.67 is: 8,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.49 : 15,339.33 = 6,398.67 : x
  2. Step 2: Convert to fraction form
    11,114.49/15,339.33 = 6,398.67/x
  3. Step 3: Cross multiply
    11,114.49x = 15,339.33 × 6,398.67
  4. Step 4: Simplify right side
    11,114.49x = 98,151,310.69
  5. Step 5: Solve for x
    x = 98,151,310.69/11,114.49
  6. Step 6: Final answer
    x = 8,830.93

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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.