Home / 9,415.24-14,122.88-3,864.72

Finding the Fourth Proportional to 9,415.24, 14,122.88 and 3,864.72

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Solution

The fourth proportional to 9,415.24, 14,122.88 and 3,864.72 is: 5,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.24 : 14,122.88 = 3,864.72 : x
  2. Step 2: Convert to fraction form
    9,415.24/14,122.88 = 3,864.72/x
  3. Step 3: Cross multiply
    9,415.24x = 14,122.88 × 3,864.72
  4. Step 4: Simplify right side
    9,415.24x = 54,580,919.00
  5. Step 5: Solve for x
    x = 54,580,919.00/9,415.24
  6. Step 6: Final answer
    x = 5,797.08

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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.