Home / 15,664.88-23,497.36-3,978.08

Finding the Fourth Proportional to 15,664.88, 23,497.36 and 3,978.08

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Solution

The fourth proportional to 15,664.88, 23,497.36 and 3,978.08 is: 5,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.88 : 23,497.36 = 3,978.08 : x
  2. Step 2: Convert to fraction form
    15,664.88/23,497.36 = 3,978.08/x
  3. Step 3: Cross multiply
    15,664.88x = 23,497.36 × 3,978.08
  4. Step 4: Simplify right side
    15,664.88x = 93,474,377.87
  5. Step 5: Solve for x
    x = 93,474,377.87/15,664.88
  6. Step 6: Final answer
    x = 5,967.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.