Home / 16,756.84-23,109.60-12,768.40

Finding the Fourth Proportional to 16,756.84, 23,109.60 and 12,768.40

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Solution

The fourth proportional to 16,756.84, 23,109.60 and 12,768.40 is: 17,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.84 : 23,109.60 = 12,768.40 : x
  2. Step 2: Convert to fraction form
    16,756.84/23,109.60 = 12,768.40/x
  3. Step 3: Cross multiply
    16,756.84x = 23,109.60 × 12,768.40
  4. Step 4: Simplify right side
    16,756.84x = 295,072,616.64
  5. Step 5: Solve for x
    x = 295,072,616.64/16,756.84
  6. Step 6: Final answer
    x = 17,609.08

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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.