Home / 14,548.21-21,831.88-7,979.00

Finding the Fourth Proportional to 14,548.21, 21,831.88 and 7,979.00

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Solution

The fourth proportional to 14,548.21, 21,831.88 and 7,979.00 is: 11,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.21 : 21,831.88 = 7,979.00 : x
  2. Step 2: Convert to fraction form
    14,548.21/21,831.88 = 7,979.00/x
  3. Step 3: Cross multiply
    14,548.21x = 21,831.88 × 7,979.00
  4. Step 4: Simplify right side
    14,548.21x = 174,196,605.15
  5. Step 5: Solve for x
    x = 174,196,605.15/14,548.21
  6. Step 6: Final answer
    x = 11,973.75

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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.