Home / 10,418.41-14,360.20-7,764.85

Finding the Fourth Proportional to 10,418.41, 14,360.20 and 7,764.85

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Solution

The fourth proportional to 10,418.41, 14,360.20 and 7,764.85 is: 10,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.41 : 14,360.20 = 7,764.85 : x
  2. Step 2: Convert to fraction form
    10,418.41/14,360.20 = 7,764.85/x
  3. Step 3: Cross multiply
    10,418.41x = 14,360.20 × 7,764.85
  4. Step 4: Simplify right side
    10,418.41x = 111,504,841.19
  5. Step 5: Solve for x
    x = 111,504,841.19/10,418.41
  6. Step 6: Final answer
    x = 10,702.67

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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.