Home / 10,638.63-14,682.96-6,392.06

Finding the Fourth Proportional to 10,638.63, 14,682.96 and 6,392.06

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Solution

The fourth proportional to 10,638.63, 14,682.96 and 6,392.06 is: 8,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.63 : 14,682.96 = 6,392.06 : x
  2. Step 2: Convert to fraction form
    10,638.63/14,682.96 = 6,392.06/x
  3. Step 3: Cross multiply
    10,638.63x = 14,682.96 × 6,392.06
  4. Step 4: Simplify right side
    10,638.63x = 93,854,287.88
  5. Step 5: Solve for x
    x = 93,854,287.88/10,638.63
  6. Step 6: Final answer
    x = 8,822.03

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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.