Home / 21,448.80-29,598.84-12,017.16

Finding the Fourth Proportional to 21,448.80, 29,598.84 and 12,017.16

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Solution

The fourth proportional to 21,448.80, 29,598.84 and 12,017.16 is: 16,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.80 : 29,598.84 = 12,017.16 : x
  2. Step 2: Convert to fraction form
    21,448.80/29,598.84 = 12,017.16/x
  3. Step 3: Cross multiply
    21,448.80x = 29,598.84 × 12,017.16
  4. Step 4: Simplify right side
    21,448.80x = 355,693,996.09
  5. Step 5: Solve for x
    x = 355,693,996.09/21,448.80
  6. Step 6: Final answer
    x = 16,583.40

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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.