Home / 13,968.52-19,278.32-8,664.14

Finding the Fourth Proportional to 13,968.52, 19,278.32 and 8,664.14

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Solution

The fourth proportional to 13,968.52, 19,278.32 and 8,664.14 is: 11,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.52 : 19,278.32 = 8,664.14 : x
  2. Step 2: Convert to fraction form
    13,968.52/19,278.32 = 8,664.14/x
  3. Step 3: Cross multiply
    13,968.52x = 19,278.32 × 8,664.14
  4. Step 4: Simplify right side
    13,968.52x = 167,030,068.32
  5. Step 5: Solve for x
    x = 167,030,068.32/13,968.52
  6. Step 6: Final answer
    x = 11,957.61

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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.