Home / 11,110.02-16,678.05-8,771.58

Finding the Fourth Proportional to 11,110.02, 16,678.05 and 8,771.58

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Solution

The fourth proportional to 11,110.02, 16,678.05 and 8,771.58 is: 13,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.02 : 16,678.05 = 8,771.58 : x
  2. Step 2: Convert to fraction form
    11,110.02/16,678.05 = 8,771.58/x
  3. Step 3: Cross multiply
    11,110.02x = 16,678.05 × 8,771.58
  4. Step 4: Simplify right side
    11,110.02x = 146,292,849.82
  5. Step 5: Solve for x
    x = 146,292,849.82/11,110.02
  6. Step 6: Final answer
    x = 13,167.65

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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.