Home / 9,620.70-13,278.51-6,264.06

Finding the Fourth Proportional to 9,620.70, 13,278.51 and 6,264.06

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Solution

The fourth proportional to 9,620.70, 13,278.51 and 6,264.06 is: 8,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.70 : 13,278.51 = 6,264.06 : x
  2. Step 2: Convert to fraction form
    9,620.70/13,278.51 = 6,264.06/x
  3. Step 3: Cross multiply
    9,620.70x = 13,278.51 × 6,264.06
  4. Step 4: Simplify right side
    9,620.70x = 83,177,383.35
  5. Step 5: Solve for x
    x = 83,177,383.35/9,620.70
  6. Step 6: Final answer
    x = 8,645.67

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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.