Home / 18,339.09-25,307.69-11,167.35

Finding the Fourth Proportional to 18,339.09, 25,307.69 and 11,167.35

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Solution

The fourth proportional to 18,339.09, 25,307.69 and 11,167.35 is: 15,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.09 : 25,307.69 = 11,167.35 : x
  2. Step 2: Convert to fraction form
    18,339.09/25,307.69 = 11,167.35/x
  3. Step 3: Cross multiply
    18,339.09x = 25,307.69 × 11,167.35
  4. Step 4: Simplify right side
    18,339.09x = 282,619,776.08
  5. Step 5: Solve for x
    x = 282,619,776.08/18,339.09
  6. Step 6: Final answer
    x = 15,410.79

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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.