Home / 10,827.36-14,941.76-6,112.64

Finding the Fourth Proportional to 10,827.36, 14,941.76 and 6,112.64

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Solution

The fourth proportional to 10,827.36, 14,941.76 and 6,112.64 is: 8,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.36 : 14,941.76 = 6,112.64 : x
  2. Step 2: Convert to fraction form
    10,827.36/14,941.76 = 6,112.64/x
  3. Step 3: Cross multiply
    10,827.36x = 14,941.76 × 6,112.64
  4. Step 4: Simplify right side
    10,827.36x = 91,333,599.85
  5. Step 5: Solve for x
    x = 91,333,599.85/10,827.36
  6. Step 6: Final answer
    x = 8,435.45

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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.