Home / 10,150.40-14,009.81-6,170.67

Finding the Fourth Proportional to 10,150.40, 14,009.81 and 6,170.67

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Solution

The fourth proportional to 10,150.40, 14,009.81 and 6,170.67 is: 8,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.40 : 14,009.81 = 6,170.67 : x
  2. Step 2: Convert to fraction form
    10,150.40/14,009.81 = 6,170.67/x
  3. Step 3: Cross multiply
    10,150.40x = 14,009.81 × 6,170.67
  4. Step 4: Simplify right side
    10,150.40x = 86,449,914.27
  5. Step 5: Solve for x
    x = 86,449,914.27/10,150.40
  6. Step 6: Final answer
    x = 8,516.90

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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.