Home / 14,911.35-20,577.70-8,538.04

Finding the Fourth Proportional to 14,911.35, 20,577.70 and 8,538.04

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Solution

The fourth proportional to 14,911.35, 20,577.70 and 8,538.04 is: 11,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.35 : 20,577.70 = 8,538.04 : x
  2. Step 2: Convert to fraction form
    14,911.35/20,577.70 = 8,538.04/x
  3. Step 3: Cross multiply
    14,911.35x = 20,577.70 × 8,538.04
  4. Step 4: Simplify right side
    14,911.35x = 175,693,184.94
  5. Step 5: Solve for x
    x = 175,693,184.94/14,911.35
  6. Step 6: Final answer
    x = 11,782.52

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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.