Home / 14,191.07-21,279.31-6,395.63

Finding the Fourth Proportional to 14,191.07, 21,279.31 and 6,395.63

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Solution

The fourth proportional to 14,191.07, 21,279.31 and 6,395.63 is: 9,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.07 : 21,279.31 = 6,395.63 : x
  2. Step 2: Convert to fraction form
    14,191.07/21,279.31 = 6,395.63/x
  3. Step 3: Cross multiply
    14,191.07x = 21,279.31 × 6,395.63
  4. Step 4: Simplify right side
    14,191.07x = 136,094,471.03
  5. Step 5: Solve for x
    x = 136,094,471.03/14,191.07
  6. Step 6: Final answer
    x = 9,590.15

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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.