Home / 10,623.63-14,664.26-6,431.88

Finding the Fourth Proportional to 10,623.63, 14,664.26 and 6,431.88

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Solution

The fourth proportional to 10,623.63, 14,664.26 and 6,431.88 is: 8,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.63 : 14,664.26 = 6,431.88 : x
  2. Step 2: Convert to fraction form
    10,623.63/14,664.26 = 6,431.88/x
  3. Step 3: Cross multiply
    10,623.63x = 14,664.26 × 6,431.88
  4. Step 4: Simplify right side
    10,623.63x = 94,318,760.61
  5. Step 5: Solve for x
    x = 94,318,760.61/10,623.63
  6. Step 6: Final answer
    x = 8,878.20

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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.