Home / 16,907.55-23,307.69-11,856.54

Finding the Fourth Proportional to 16,907.55, 23,307.69 and 11,856.54

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Solution

The fourth proportional to 16,907.55, 23,307.69 and 11,856.54 is: 16,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.55 : 23,307.69 = 11,856.54 : x
  2. Step 2: Convert to fraction form
    16,907.55/23,307.69 = 11,856.54/x
  3. Step 3: Cross multiply
    16,907.55x = 23,307.69 × 11,856.54
  4. Step 4: Simplify right side
    16,907.55x = 276,348,558.79
  5. Step 5: Solve for x
    x = 276,348,558.79/16,907.55
  6. Step 6: Final answer
    x = 16,344.68

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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.