Home / 15,625.04-21,556.14-11,426

Finding the Fourth Proportional to 15,625.04, 21,556.14 and 11,426

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Solution

The fourth proportional to 15,625.04, 21,556.14 and 11,426 is: 15,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.04 : 21,556.14 = 11,426 : x
  2. Step 2: Convert to fraction form
    15,625.04/21,556.14 = 11,426/x
  3. Step 3: Cross multiply
    15,625.04x = 21,556.14 × 11,426
  4. Step 4: Simplify right side
    15,625.04x = 246,300,455.64
  5. Step 5: Solve for x
    x = 246,300,455.64/15,625.04
  6. Step 6: Final answer
    x = 15,763.19

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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.