Home / 12,660.89-18,966.71-6,091.67

Finding the Fourth Proportional to 12,660.89, 18,966.71 and 6,091.67

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Solution

The fourth proportional to 12,660.89, 18,966.71 and 6,091.67 is: 9,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.89 : 18,966.71 = 6,091.67 : x
  2. Step 2: Convert to fraction form
    12,660.89/18,966.71 = 6,091.67/x
  3. Step 3: Cross multiply
    12,660.89x = 18,966.71 × 6,091.67
  4. Step 4: Simplify right side
    12,660.89x = 115,539,000.95
  5. Step 5: Solve for x
    x = 115,539,000.95/12,660.89
  6. Step 6: Final answer
    x = 9,125.67

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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.