Home / 14,004.20-21,006.88-6,514.79

Finding the Fourth Proportional to 14,004.20, 21,006.88 and 6,514.79

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Solution

The fourth proportional to 14,004.20, 21,006.88 and 6,514.79 is: 9,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.20 : 21,006.88 = 6,514.79 : x
  2. Step 2: Convert to fraction form
    14,004.20/21,006.88 = 6,514.79/x
  3. Step 3: Cross multiply
    14,004.20x = 21,006.88 × 6,514.79
  4. Step 4: Simplify right side
    14,004.20x = 136,855,306.72
  5. Step 5: Solve for x
    x = 136,855,306.72/14,004.20
  6. Step 6: Final answer
    x = 9,772.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.