Home / 11,684.24-16,123.61-6,378.93

Finding the Fourth Proportional to 11,684.24, 16,123.61 and 6,378.93

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Solution

The fourth proportional to 11,684.24, 16,123.61 and 6,378.93 is: 8,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.24 : 16,123.61 = 6,378.93 : x
  2. Step 2: Convert to fraction form
    11,684.24/16,123.61 = 6,378.93/x
  3. Step 3: Cross multiply
    11,684.24x = 16,123.61 × 6,378.93
  4. Step 4: Simplify right side
    11,684.24x = 102,851,347.64
  5. Step 5: Solve for x
    x = 102,851,347.64/11,684.24
  6. Step 6: Final answer
    x = 8,802.57

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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.