Home / 18,880.13-26,054.60-10,382.40

Finding the Fourth Proportional to 18,880.13, 26,054.60 and 10,382.40

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Solution

The fourth proportional to 18,880.13, 26,054.60 and 10,382.40 is: 14,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.13 : 26,054.60 = 10,382.40 : x
  2. Step 2: Convert to fraction form
    18,880.13/26,054.60 = 10,382.40/x
  3. Step 3: Cross multiply
    18,880.13x = 26,054.60 × 10,382.40
  4. Step 4: Simplify right side
    18,880.13x = 270,509,227.13
  5. Step 5: Solve for x
    x = 270,509,227.13/18,880.13
  6. Step 6: Final answer
    x = 14,327.72

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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.