Home / 23,199.21-32,013.15-13,639.49

Finding the Fourth Proportional to 23,199.21, 32,013.15 and 13,639.49

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Solution

The fourth proportional to 23,199.21, 32,013.15 and 13,639.49 is: 18,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199.21 : 32,013.15 = 13,639.49 : x
  2. Step 2: Convert to fraction form
    23,199.21/32,013.15 = 13,639.49/x
  3. Step 3: Cross multiply
    23,199.21x = 32,013.15 × 13,639.49
  4. Step 4: Simplify right side
    23,199.21x = 436,643,039.29
  5. Step 5: Solve for x
    x = 436,643,039.29/23,199.21
  6. Step 6: Final answer
    x = 18,821.46

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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.