Home / 21,661.48-29,907.53-14,023.18

Finding the Fourth Proportional to 21,661.48, 29,907.53 and 14,023.18

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Solution

The fourth proportional to 21,661.48, 29,907.53 and 14,023.18 is: 19,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.48 : 29,907.53 = 14,023.18 : x
  2. Step 2: Convert to fraction form
    21,661.48/29,907.53 = 14,023.18/x
  3. Step 3: Cross multiply
    21,661.48x = 29,907.53 × 14,023.18
  4. Step 4: Simplify right side
    21,661.48x = 419,398,528.17
  5. Step 5: Solve for x
    x = 419,398,528.17/21,661.48
  6. Step 6: Final answer
    x = 19,361.49

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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.