Home / 15,371.01-21,221.04-14,485.29

Finding the Fourth Proportional to 15,371.01, 21,221.04 and 14,485.29

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Solution

The fourth proportional to 15,371.01, 21,221.04 and 14,485.29 is: 19,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.01 : 21,221.04 = 14,485.29 : x
  2. Step 2: Convert to fraction form
    15,371.01/21,221.04 = 14,485.29/x
  3. Step 3: Cross multiply
    15,371.01x = 21,221.04 × 14,485.29
  4. Step 4: Simplify right side
    15,371.01x = 307,392,918.50
  5. Step 5: Solve for x
    x = 307,392,918.50/15,371.01
  6. Step 6: Final answer
    x = 19,998.23

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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.