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Finding the Fourth Proportional to 22,457.91, 33,686.87 and 6,873.51

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Solution

The fourth proportional to 22,457.91, 33,686.87 and 6,873.51 is: 10,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.91 : 33,686.87 = 6,873.51 : x
  2. Step 2: Convert to fraction form
    22,457.91/33,686.87 = 6,873.51/x
  3. Step 3: Cross multiply
    22,457.91x = 33,686.87 × 6,873.51
  4. Step 4: Simplify right side
    22,457.91x = 231,547,037.81
  5. Step 5: Solve for x
    x = 231,547,037.81/22,457.91
  6. Step 6: Final answer
    x = 10,310.27

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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.