Home / 10,418.08-14,376.54-6,386.44

Finding the Fourth Proportional to 10,418.08, 14,376.54 and 6,386.44

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Solution

The fourth proportional to 10,418.08, 14,376.54 and 6,386.44 is: 8,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.08 : 14,376.54 = 6,386.44 : x
  2. Step 2: Convert to fraction form
    10,418.08/14,376.54 = 6,386.44/x
  3. Step 3: Cross multiply
    10,418.08x = 14,376.54 × 6,386.44
  4. Step 4: Simplify right side
    10,418.08x = 91,814,910.12
  5. Step 5: Solve for x
    x = 91,814,910.12/10,418.08
  6. Step 6: Final answer
    x = 8,813.04

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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.