Home / 15,283.23-21,090.38-8,569.24

Finding the Fourth Proportional to 15,283.23, 21,090.38 and 8,569.24

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Solution

The fourth proportional to 15,283.23, 21,090.38 and 8,569.24 is: 11,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.23 : 21,090.38 = 8,569.24 : x
  2. Step 2: Convert to fraction form
    15,283.23/21,090.38 = 8,569.24/x
  3. Step 3: Cross multiply
    15,283.23x = 21,090.38 × 8,569.24
  4. Step 4: Simplify right side
    15,283.23x = 180,728,550.97
  5. Step 5: Solve for x
    x = 180,728,550.97/15,283.23
  6. Step 6: Final answer
    x = 11,825.28

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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.