Home / 14,744.78-20,347.52-8,456.66

Finding the Fourth Proportional to 14,744.78, 20,347.52 and 8,456.66

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Solution

The fourth proportional to 14,744.78, 20,347.52 and 8,456.66 is: 11,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.78 : 20,347.52 = 8,456.66 : x
  2. Step 2: Convert to fraction form
    14,744.78/20,347.52 = 8,456.66/x
  3. Step 3: Cross multiply
    14,744.78x = 20,347.52 × 8,456.66
  4. Step 4: Simplify right side
    14,744.78x = 172,072,058.48
  5. Step 5: Solve for x
    x = 172,072,058.48/14,744.78
  6. Step 6: Final answer
    x = 11,670.03

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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.