Home / 9,429.46-13,011.22-5,449.82

Finding the Fourth Proportional to 9,429.46, 13,011.22 and 5,449.82

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Solution

The fourth proportional to 9,429.46, 13,011.22 and 5,449.82 is: 7,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.46 : 13,011.22 = 5,449.82 : x
  2. Step 2: Convert to fraction form
    9,429.46/13,011.22 = 5,449.82/x
  3. Step 3: Cross multiply
    9,429.46x = 13,011.22 × 5,449.82
  4. Step 4: Simplify right side
    9,429.46x = 70,908,718.08
  5. Step 5: Solve for x
    x = 70,908,718.08/9,429.46
  6. Step 6: Final answer
    x = 7,519.91

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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.