Home / 18,457.62-25,475.66-12,080.51

Finding the Fourth Proportional to 18,457.62, 25,475.66 and 12,080.51

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Solution

The fourth proportional to 18,457.62, 25,475.66 and 12,080.51 is: 16,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.62 : 25,475.66 = 12,080.51 : x
  2. Step 2: Convert to fraction form
    18,457.62/25,475.66 = 12,080.51/x
  3. Step 3: Cross multiply
    18,457.62x = 25,475.66 × 12,080.51
  4. Step 4: Simplify right side
    18,457.62x = 307,758,965.39
  5. Step 5: Solve for x
    x = 307,758,965.39/18,457.62
  6. Step 6: Final answer
    x = 16,673.82

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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.