Home / 11,166.09-15,409.59-6,130.44

Finding the Fourth Proportional to 11,166.09, 15,409.59 and 6,130.44

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Solution

The fourth proportional to 11,166.09, 15,409.59 and 6,130.44 is: 8,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.09 : 15,409.59 = 6,130.44 : x
  2. Step 2: Convert to fraction form
    11,166.09/15,409.59 = 6,130.44/x
  3. Step 3: Cross multiply
    11,166.09x = 15,409.59 × 6,130.44
  4. Step 4: Simplify right side
    11,166.09x = 94,467,566.92
  5. Step 5: Solve for x
    x = 94,467,566.92/11,166.09
  6. Step 6: Final answer
    x = 8,460.22

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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.