Home / 13,577.72-20,369.97-9,582.90

Finding the Fourth Proportional to 13,577.72, 20,369.97 and 9,582.90

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Solution

The fourth proportional to 13,577.72, 20,369.97 and 9,582.90 is: 14,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.72 : 20,369.97 = 9,582.90 : x
  2. Step 2: Convert to fraction form
    13,577.72/20,369.97 = 9,582.90/x
  3. Step 3: Cross multiply
    13,577.72x = 20,369.97 × 9,582.90
  4. Step 4: Simplify right side
    13,577.72x = 195,203,385.51
  5. Step 5: Solve for x
    x = 195,203,385.51/13,577.72
  6. Step 6: Final answer
    x = 14,376.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.