Home / 14,646.72-20,211.48-8,274.36

Finding the Fourth Proportional to 14,646.72, 20,211.48 and 8,274.36

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Solution

The fourth proportional to 14,646.72, 20,211.48 and 8,274.36 is: 11,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.72 : 20,211.48 = 8,274.36 : x
  2. Step 2: Convert to fraction form
    14,646.72/20,211.48 = 8,274.36/x
  3. Step 3: Cross multiply
    14,646.72x = 20,211.48 × 8,274.36
  4. Step 4: Simplify right side
    14,646.72x = 167,237,061.65
  5. Step 5: Solve for x
    x = 167,237,061.65/14,646.72
  6. Step 6: Final answer
    x = 11,418.06

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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.