Home / 9,199.74-12,696.57-5,424.06

Finding the Fourth Proportional to 9,199.74, 12,696.57 and 5,424.06

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Solution

The fourth proportional to 9,199.74, 12,696.57 and 5,424.06 is: 7,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.74 : 12,696.57 = 5,424.06 : x
  2. Step 2: Convert to fraction form
    9,199.74/12,696.57 = 5,424.06/x
  3. Step 3: Cross multiply
    9,199.74x = 12,696.57 × 5,424.06
  4. Step 4: Simplify right side
    9,199.74x = 68,866,957.47
  5. Step 5: Solve for x
    x = 68,866,957.47/9,199.74
  6. Step 6: Final answer
    x = 7,485.75

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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.