Home / 14,271.80-19,691.90-8,964.68

Finding the Fourth Proportional to 14,271.80, 19,691.90 and 8,964.68

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Solution

The fourth proportional to 14,271.80, 19,691.90 and 8,964.68 is: 12,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.80 : 19,691.90 = 8,964.68 : x
  2. Step 2: Convert to fraction form
    14,271.80/19,691.90 = 8,964.68/x
  3. Step 3: Cross multiply
    14,271.80x = 19,691.90 × 8,964.68
  4. Step 4: Simplify right side
    14,271.80x = 176,531,582.09
  5. Step 5: Solve for x
    x = 176,531,582.09/14,271.80
  6. Step 6: Final answer
    x = 12,369.26

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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.