Home / 21,039.48-29,033.58-11,607.84

Finding the Fourth Proportional to 21,039.48, 29,033.58 and 11,607.84

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Solution

The fourth proportional to 21,039.48, 29,033.58 and 11,607.84 is: 16,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039.48 : 29,033.58 = 11,607.84 : x
  2. Step 2: Convert to fraction form
    21,039.48/29,033.58 = 11,607.84/x
  3. Step 3: Cross multiply
    21,039.48x = 29,033.58 × 11,607.84
  4. Step 4: Simplify right side
    21,039.48x = 337,017,151.27
  5. Step 5: Solve for x
    x = 337,017,151.27/21,039.48
  6. Step 6: Final answer
    x = 16,018.32

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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.