Home / 13,370.09-18,454.70-8,654.67

Finding the Fourth Proportional to 13,370.09, 18,454.70 and 8,654.67

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Solution

The fourth proportional to 13,370.09, 18,454.70 and 8,654.67 is: 11,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.09 : 18,454.70 = 8,654.67 : x
  2. Step 2: Convert to fraction form
    13,370.09/18,454.70 = 8,654.67/x
  3. Step 3: Cross multiply
    13,370.09x = 18,454.70 × 8,654.67
  4. Step 4: Simplify right side
    13,370.09x = 159,719,360.09
  5. Step 5: Solve for x
    x = 159,719,360.09/13,370.09
  6. Step 6: Final answer
    x = 11,946.02

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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.