Home / 11,116-15,340.14-6,400.24

Finding the Fourth Proportional to 11,116, 15,340.14 and 6,400.24

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Solution

The fourth proportional to 11,116, 15,340.14 and 6,400.24 is: 8,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116 : 15,340.14 = 6,400.24 : x
  2. Step 2: Convert to fraction form
    11,116/15,340.14 = 6,400.24/x
  3. Step 3: Cross multiply
    11,116x = 15,340.14 × 6,400.24
  4. Step 4: Simplify right side
    11,116x = 98,180,577.63
  5. Step 5: Solve for x
    x = 98,180,577.63/11,116
  6. Step 6: Final answer
    x = 8,832.37

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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.