Home / 18,995.29-26,210.73-11,923.99

Finding the Fourth Proportional to 18,995.29, 26,210.73 and 11,923.99

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Solution

The fourth proportional to 18,995.29, 26,210.73 and 11,923.99 is: 16,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.29 : 26,210.73 = 11,923.99 : x
  2. Step 2: Convert to fraction form
    18,995.29/26,210.73 = 11,923.99/x
  3. Step 3: Cross multiply
    18,995.29x = 26,210.73 × 11,923.99
  4. Step 4: Simplify right side
    18,995.29x = 312,536,482.41
  5. Step 5: Solve for x
    x = 312,536,482.41/18,995.29
  6. Step 6: Final answer
    x = 16,453.37

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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.