Home / 11,918.79-16,445.48-6,882.93

Finding the Fourth Proportional to 11,918.79, 16,445.48 and 6,882.93

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Solution

The fourth proportional to 11,918.79, 16,445.48 and 6,882.93 is: 9,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.79 : 16,445.48 = 6,882.93 : x
  2. Step 2: Convert to fraction form
    11,918.79/16,445.48 = 6,882.93/x
  3. Step 3: Cross multiply
    11,918.79x = 16,445.48 × 6,882.93
  4. Step 4: Simplify right side
    11,918.79x = 113,193,053.24
  5. Step 5: Solve for x
    x = 113,193,053.24/11,918.79
  6. Step 6: Final answer
    x = 9,497.03

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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.