Home / 18,880.63-26,055.94-10,383.40

Finding the Fourth Proportional to 18,880.63, 26,055.94 and 10,383.40

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Solution

The fourth proportional to 18,880.63, 26,055.94 and 10,383.40 is: 14,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.63 : 26,055.94 = 10,383.40 : x
  2. Step 2: Convert to fraction form
    18,880.63/26,055.94 = 10,383.40/x
  3. Step 3: Cross multiply
    18,880.63x = 26,055.94 × 10,383.40
  4. Step 4: Simplify right side
    18,880.63x = 270,549,247.40
  5. Step 5: Solve for x
    x = 270,549,247.40/18,880.63
  6. Step 6: Final answer
    x = 14,329.46

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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.