Home / 20,804.16-31,206.24-6,953.16

Finding the Fourth Proportional to 20,804.16, 31,206.24 and 6,953.16

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Solution

The fourth proportional to 20,804.16, 31,206.24 and 6,953.16 is: 10,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804.16 : 31,206.24 = 6,953.16 : x
  2. Step 2: Convert to fraction form
    20,804.16/31,206.24 = 6,953.16/x
  3. Step 3: Cross multiply
    20,804.16x = 31,206.24 × 6,953.16
  4. Step 4: Simplify right side
    20,804.16x = 216,981,979.72
  5. Step 5: Solve for x
    x = 216,981,979.72/20,804.16
  6. Step 6: Final answer
    x = 10,429.74

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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.