Home / 11,838.47-16,336.57-6,460.77

Finding the Fourth Proportional to 11,838.47, 16,336.57 and 6,460.77

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Solution

The fourth proportional to 11,838.47, 16,336.57 and 6,460.77 is: 8,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.47 : 16,336.57 = 6,460.77 : x
  2. Step 2: Convert to fraction form
    11,838.47/16,336.57 = 6,460.77/x
  3. Step 3: Cross multiply
    11,838.47x = 16,336.57 × 6,460.77
  4. Step 4: Simplify right side
    11,838.47x = 105,546,821.36
  5. Step 5: Solve for x
    x = 105,546,821.36/11,838.47
  6. Step 6: Final answer
    x = 8,915.58

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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.