Home / 14,386.41-21,580.80-3,998.16

Finding the Fourth Proportional to 14,386.41, 21,580.80 and 3,998.16

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Solution

The fourth proportional to 14,386.41, 21,580.80 and 3,998.16 is: 5,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.41 : 21,580.80 = 3,998.16 : x
  2. Step 2: Convert to fraction form
    14,386.41/21,580.80 = 3,998.16/x
  3. Step 3: Cross multiply
    14,386.41x = 21,580.80 × 3,998.16
  4. Step 4: Simplify right side
    14,386.41x = 86,283,491.33
  5. Step 5: Solve for x
    x = 86,283,491.33/14,386.41
  6. Step 6: Final answer
    x = 5,997.57

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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.