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Finding the Fourth Proportional to 10,846.86, 14,968.71 and 6,863.82

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Solution

The fourth proportional to 10,846.86, 14,968.71 and 6,863.82 is: 9,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,846.86 : 14,968.71 = 6,863.82 : x
  2. Step 2: Convert to fraction form
    10,846.86/14,968.71 = 6,863.82/x
  3. Step 3: Cross multiply
    10,846.86x = 14,968.71 × 6,863.82
  4. Step 4: Simplify right side
    10,846.86x = 102,742,531.07
  5. Step 5: Solve for x
    x = 102,742,531.07/10,846.86
  6. Step 6: Final answer
    x = 9,472.10

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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.