Home / 9,887.81-14,831.72-2,962.31

Finding the Fourth Proportional to 9,887.81, 14,831.72 and 2,962.31

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Solution

The fourth proportional to 9,887.81, 14,831.72 and 2,962.31 is: 4,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.81 : 14,831.72 = 2,962.31 : x
  2. Step 2: Convert to fraction form
    9,887.81/14,831.72 = 2,962.31/x
  3. Step 3: Cross multiply
    9,887.81x = 14,831.72 × 2,962.31
  4. Step 4: Simplify right side
    9,887.81x = 43,936,196.96
  5. Step 5: Solve for x
    x = 43,936,196.96/9,887.81
  6. Step 6: Final answer
    x = 4,443.47

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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.