Home / 16,391.78-22,623.60-9,677.01

Finding the Fourth Proportional to 16,391.78, 22,623.60 and 9,677.01

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Solution

The fourth proportional to 16,391.78, 22,623.60 and 9,677.01 is: 13,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.78 : 22,623.60 = 9,677.01 : x
  2. Step 2: Convert to fraction form
    16,391.78/22,623.60 = 9,677.01/x
  3. Step 3: Cross multiply
    16,391.78x = 22,623.60 × 9,677.01
  4. Step 4: Simplify right side
    16,391.78x = 218,928,803.44
  5. Step 5: Solve for x
    x = 218,928,803.44/16,391.78
  6. Step 6: Final answer
    x = 13,356.02

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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.