Home / 18,880.36-26,054.36-10,382.50

Finding the Fourth Proportional to 18,880.36, 26,054.36 and 10,382.50

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Solution

The fourth proportional to 18,880.36, 26,054.36 and 10,382.50 is: 14,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.36 : 26,054.36 = 10,382.50 : x
  2. Step 2: Convert to fraction form
    18,880.36/26,054.36 = 10,382.50/x
  3. Step 3: Cross multiply
    18,880.36x = 26,054.36 × 10,382.50
  4. Step 4: Simplify right side
    18,880.36x = 270,509,412.29
  5. Step 5: Solve for x
    x = 270,509,412.29/18,880.36
  6. Step 6: Final answer
    x = 14,327.56

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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.