Home / 10,696.16-14,760.24-6,219.72

Finding the Fourth Proportional to 10,696.16, 14,760.24 and 6,219.72

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Solution

The fourth proportional to 10,696.16, 14,760.24 and 6,219.72 is: 8,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696.16 : 14,760.24 = 6,219.72 : x
  2. Step 2: Convert to fraction form
    10,696.16/14,760.24 = 6,219.72/x
  3. Step 3: Cross multiply
    10,696.16x = 14,760.24 × 6,219.72
  4. Step 4: Simplify right side
    10,696.16x = 91,804,559.93
  5. Step 5: Solve for x
    x = 91,804,559.93/10,696.16
  6. Step 6: Final answer
    x = 8,582.95

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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.