Home / 16,768.04-23,138.88-9,316.04

Finding the Fourth Proportional to 16,768.04, 23,138.88 and 9,316.04

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Solution

The fourth proportional to 16,768.04, 23,138.88 and 9,316.04 is: 12,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.04 : 23,138.88 = 9,316.04 : x
  2. Step 2: Convert to fraction form
    16,768.04/23,138.88 = 9,316.04/x
  3. Step 3: Cross multiply
    16,768.04x = 23,138.88 × 9,316.04
  4. Step 4: Simplify right side
    16,768.04x = 215,562,731.64
  5. Step 5: Solve for x
    x = 215,562,731.64/16,768.04
  6. Step 6: Final answer
    x = 12,855.57

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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.