Home / 11,748.06-16,213.34-6,443.91

Finding the Fourth Proportional to 11,748.06, 16,213.34 and 6,443.91

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Solution

The fourth proportional to 11,748.06, 16,213.34 and 6,443.91 is: 8,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.06 : 16,213.34 = 6,443.91 : x
  2. Step 2: Convert to fraction form
    11,748.06/16,213.34 = 6,443.91/x
  3. Step 3: Cross multiply
    11,748.06x = 16,213.34 × 6,443.91
  4. Step 4: Simplify right side
    11,748.06x = 104,477,303.76
  5. Step 5: Solve for x
    x = 104,477,303.76/11,748.06
  6. Step 6: Final answer
    x = 8,893.15

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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.