Home / 16,639.21-22,956.59-10,976.77

Finding the Fourth Proportional to 16,639.21, 22,956.59 and 10,976.77

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Solution

The fourth proportional to 16,639.21, 22,956.59 and 10,976.77 is: 15,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.21 : 22,956.59 = 10,976.77 : x
  2. Step 2: Convert to fraction form
    16,639.21/22,956.59 = 10,976.77/x
  3. Step 3: Cross multiply
    16,639.21x = 22,956.59 × 10,976.77
  4. Step 4: Simplify right side
    16,639.21x = 251,989,208.41
  5. Step 5: Solve for x
    x = 251,989,208.41/16,639.21
  6. Step 6: Final answer
    x = 15,144.30

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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.