Home / 14,386.48-21,579.84-3,999.04

Finding the Fourth Proportional to 14,386.48, 21,579.84 and 3,999.04

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Solution

The fourth proportional to 14,386.48, 21,579.84 and 3,999.04 is: 5,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.48 : 21,579.84 = 3,999.04 : x
  2. Step 2: Convert to fraction form
    14,386.48/21,579.84 = 3,999.04/x
  3. Step 3: Cross multiply
    14,386.48x = 21,579.84 × 3,999.04
  4. Step 4: Simplify right side
    14,386.48x = 86,298,643.35
  5. Step 5: Solve for x
    x = 86,298,643.35/14,386.48
  6. Step 6: Final answer
    x = 5,998.59

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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.