Home / 14,817.85-20,444.68-9,078.36

Finding the Fourth Proportional to 14,817.85, 20,444.68 and 9,078.36

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Solution

The fourth proportional to 14,817.85, 20,444.68 and 9,078.36 is: 12,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.85 : 20,444.68 = 9,078.36 : x
  2. Step 2: Convert to fraction form
    14,817.85/20,444.68 = 9,078.36/x
  3. Step 3: Cross multiply
    14,817.85x = 20,444.68 × 9,078.36
  4. Step 4: Simplify right side
    14,817.85x = 185,604,165.12
  5. Step 5: Solve for x
    x = 185,604,165.12/14,817.85
  6. Step 6: Final answer
    x = 12,525.71

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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.