Home / 14,195.44-19,590.20-7,822.72

Finding the Fourth Proportional to 14,195.44, 19,590.20 and 7,822.72

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Solution

The fourth proportional to 14,195.44, 19,590.20 and 7,822.72 is: 10,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.44 : 19,590.20 = 7,822.72 : x
  2. Step 2: Convert to fraction form
    14,195.44/19,590.20 = 7,822.72/x
  3. Step 3: Cross multiply
    14,195.44x = 19,590.20 × 7,822.72
  4. Step 4: Simplify right side
    14,195.44x = 153,248,649.34
  5. Step 5: Solve for x
    x = 153,248,649.34/14,195.44
  6. Step 6: Final answer
    x = 10,795.63

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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.