Home / 12,284.29-16,953.20-6,979.51

Finding the Fourth Proportional to 12,284.29, 16,953.20 and 6,979.51

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Solution

The fourth proportional to 12,284.29, 16,953.20 and 6,979.51 is: 9,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.29 : 16,953.20 = 6,979.51 : x
  2. Step 2: Convert to fraction form
    12,284.29/16,953.20 = 6,979.51/x
  3. Step 3: Cross multiply
    12,284.29x = 16,953.20 × 6,979.51
  4. Step 4: Simplify right side
    12,284.29x = 118,325,028.93
  5. Step 5: Solve for x
    x = 118,325,028.93/12,284.29
  6. Step 6: Final answer
    x = 9,632.22

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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.