Home / 17,783.63-26,688.60-8,423.67

Finding the Fourth Proportional to 17,783.63, 26,688.60 and 8,423.67

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Solution

The fourth proportional to 17,783.63, 26,688.60 and 8,423.67 is: 12,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.63 : 26,688.60 = 8,423.67 : x
  2. Step 2: Convert to fraction form
    17,783.63/26,688.60 = 8,423.67/x
  3. Step 3: Cross multiply
    17,783.63x = 26,688.60 × 8,423.67
  4. Step 4: Simplify right side
    17,783.63x = 224,815,917.04
  5. Step 5: Solve for x
    x = 224,815,917.04/17,783.63
  6. Step 6: Final answer
    x = 12,641.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.