Home / 9,051.16-13,575.12-4,120.96

Finding the Fourth Proportional to 9,051.16, 13,575.12 and 4,120.96

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Solution

The fourth proportional to 9,051.16, 13,575.12 and 4,120.96 is: 6,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.16 : 13,575.12 = 4,120.96 : x
  2. Step 2: Convert to fraction form
    9,051.16/13,575.12 = 4,120.96/x
  3. Step 3: Cross multiply
    9,051.16x = 13,575.12 × 4,120.96
  4. Step 4: Simplify right side
    9,051.16x = 55,942,526.52
  5. Step 5: Solve for x
    x = 55,942,526.52/9,051.16
  6. Step 6: Final answer
    x = 6,180.70

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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.