Home / 9,217.12-13,812.72-4,012.08

Finding the Fourth Proportional to 9,217.12, 13,812.72 and 4,012.08

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Solution

The fourth proportional to 9,217.12, 13,812.72 and 4,012.08 is: 6,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.12 : 13,812.72 = 4,012.08 : x
  2. Step 2: Convert to fraction form
    9,217.12/13,812.72 = 4,012.08/x
  3. Step 3: Cross multiply
    9,217.12x = 13,812.72 × 4,012.08
  4. Step 4: Simplify right side
    9,217.12x = 55,417,737.66
  5. Step 5: Solve for x
    x = 55,417,737.66/9,217.12
  6. Step 6: Final answer
    x = 6,012.48

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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.