Home / 14,845.85-20,489.04-9,184.35

Finding the Fourth Proportional to 14,845.85, 20,489.04 and 9,184.35

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Solution

The fourth proportional to 14,845.85, 20,489.04 and 9,184.35 is: 12,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.85 : 20,489.04 = 9,184.35 : x
  2. Step 2: Convert to fraction form
    14,845.85/20,489.04 = 9,184.35/x
  3. Step 3: Cross multiply
    14,845.85x = 20,489.04 × 9,184.35
  4. Step 4: Simplify right side
    14,845.85x = 188,178,514.52
  5. Step 5: Solve for x
    x = 188,178,514.52/14,845.85
  6. Step 6: Final answer
    x = 12,675.50

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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.