Home / 11,943.07-16,482.46-6,638.91

Finding the Fourth Proportional to 11,943.07, 16,482.46 and 6,638.91

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Solution

The fourth proportional to 11,943.07, 16,482.46 and 6,638.91 is: 9,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.07 : 16,482.46 = 6,638.91 : x
  2. Step 2: Convert to fraction form
    11,943.07/16,482.46 = 6,638.91/x
  3. Step 3: Cross multiply
    11,943.07x = 16,482.46 × 6,638.91
  4. Step 4: Simplify right side
    11,943.07x = 109,425,613.95
  5. Step 5: Solve for x
    x = 109,425,613.95/11,943.07
  6. Step 6: Final answer
    x = 9,162.27

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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.