Home / 16,444.12-22,643.16-13,786.90

Finding the Fourth Proportional to 16,444.12, 22,643.16 and 13,786.90

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Solution

The fourth proportional to 16,444.12, 22,643.16 and 13,786.90 is: 18,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,444.12 : 22,643.16 = 13,786.90 : x
  2. Step 2: Convert to fraction form
    16,444.12/22,643.16 = 13,786.90/x
  3. Step 3: Cross multiply
    16,444.12x = 22,643.16 × 13,786.90
  4. Step 4: Simplify right side
    16,444.12x = 312,178,982.60
  5. Step 5: Solve for x
    x = 312,178,982.60/16,444.12
  6. Step 6: Final answer
    x = 18,984.23

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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.