Home / 11,901.78-16,423.77-6,596.40

Finding the Fourth Proportional to 11,901.78, 16,423.77 and 6,596.40

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Solution

The fourth proportional to 11,901.78, 16,423.77 and 6,596.40 is: 9,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.78 : 16,423.77 = 6,596.40 : x
  2. Step 2: Convert to fraction form
    11,901.78/16,423.77 = 6,596.40/x
  3. Step 3: Cross multiply
    11,901.78x = 16,423.77 × 6,596.40
  4. Step 4: Simplify right side
    11,901.78x = 108,337,756.43
  5. Step 5: Solve for x
    x = 108,337,756.43/11,901.78
  6. Step 6: Final answer
    x = 9,102.65

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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.