Home / 11,255.40-16,945.43-9,946.67

Finding the Fourth Proportional to 11,255.40, 16,945.43 and 9,946.67

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Solution

The fourth proportional to 11,255.40, 16,945.43 and 9,946.67 is: 14,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.40 : 16,945.43 = 9,946.67 : x
  2. Step 2: Convert to fraction form
    11,255.40/16,945.43 = 9,946.67/x
  3. Step 3: Cross multiply
    11,255.40x = 16,945.43 × 9,946.67
  4. Step 4: Simplify right side
    11,255.40x = 168,550,465.76
  5. Step 5: Solve for x
    x = 168,550,465.76/11,255.40
  6. Step 6: Final answer
    x = 14,975.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.