Home / 21,606.39-29,816.64-12,046.16

Finding the Fourth Proportional to 21,606.39, 29,816.64 and 12,046.16

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Solution

The fourth proportional to 21,606.39, 29,816.64 and 12,046.16 is: 16,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.39 : 29,816.64 = 12,046.16 : x
  2. Step 2: Convert to fraction form
    21,606.39/29,816.64 = 12,046.16/x
  3. Step 3: Cross multiply
    21,606.39x = 29,816.64 × 12,046.16
  4. Step 4: Simplify right side
    21,606.39x = 359,176,090.64
  5. Step 5: Solve for x
    x = 359,176,090.64/21,606.39
  6. Step 6: Final answer
    x = 16,623.60

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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.