Home / 14,238.64-19,649.54-8,270.31

Finding the Fourth Proportional to 14,238.64, 19,649.54 and 8,270.31

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Solution

The fourth proportional to 14,238.64, 19,649.54 and 8,270.31 is: 11,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.64 : 19,649.54 = 8,270.31 : x
  2. Step 2: Convert to fraction form
    14,238.64/19,649.54 = 8,270.31/x
  3. Step 3: Cross multiply
    14,238.64x = 19,649.54 × 8,270.31
  4. Step 4: Simplify right side
    14,238.64x = 162,507,787.16
  5. Step 5: Solve for x
    x = 162,507,787.16/14,238.64
  6. Step 6: Final answer
    x = 11,413.15

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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.