Home / 14,170.89-19,556.01-7,798.22

Finding the Fourth Proportional to 14,170.89, 19,556.01 and 7,798.22

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Solution

The fourth proportional to 14,170.89, 19,556.01 and 7,798.22 is: 10,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.89 : 19,556.01 = 7,798.22 : x
  2. Step 2: Convert to fraction form
    14,170.89/19,556.01 = 7,798.22/x
  3. Step 3: Cross multiply
    14,170.89x = 19,556.01 × 7,798.22
  4. Step 4: Simplify right side
    14,170.89x = 152,501,966.92
  5. Step 5: Solve for x
    x = 152,501,966.92/14,170.89
  6. Step 6: Final answer
    x = 10,761.64

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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.