Home / 11,289.55-16,932.98-2,970.22

Finding the Fourth Proportional to 11,289.55, 16,932.98 and 2,970.22

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Solution

The fourth proportional to 11,289.55, 16,932.98 and 2,970.22 is: 4,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.55 : 16,932.98 = 2,970.22 : x
  2. Step 2: Convert to fraction form
    11,289.55/16,932.98 = 2,970.22/x
  3. Step 3: Cross multiply
    11,289.55x = 16,932.98 × 2,970.22
  4. Step 4: Simplify right side
    11,289.55x = 50,294,675.86
  5. Step 5: Solve for x
    x = 50,294,675.86/11,289.55
  6. Step 6: Final answer
    x = 4,454.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.