Home / 18,764.12-25,891.94-10,698.81

Finding the Fourth Proportional to 18,764.12, 25,891.94 and 10,698.81

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Solution

The fourth proportional to 18,764.12, 25,891.94 and 10,698.81 is: 14,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.12 : 25,891.94 = 10,698.81 : x
  2. Step 2: Convert to fraction form
    18,764.12/25,891.94 = 10,698.81/x
  3. Step 3: Cross multiply
    18,764.12x = 25,891.94 × 10,698.81
  4. Step 4: Simplify right side
    18,764.12x = 277,012,893.10
  5. Step 5: Solve for x
    x = 277,012,893.10/18,764.12
  6. Step 6: Final answer
    x = 14,762.91

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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.