Home / 11,130.16-16,683.70-6,960.59

Finding the Fourth Proportional to 11,130.16, 16,683.70 and 6,960.59

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Solution

The fourth proportional to 11,130.16, 16,683.70 and 6,960.59 is: 10,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.16 : 16,683.70 = 6,960.59 : x
  2. Step 2: Convert to fraction form
    11,130.16/16,683.70 = 6,960.59/x
  3. Step 3: Cross multiply
    11,130.16x = 16,683.70 × 6,960.59
  4. Step 4: Simplify right side
    11,130.16x = 116,128,360.58
  5. Step 5: Solve for x
    x = 116,128,360.58/11,130.16
  6. Step 6: Final answer
    x = 10,433.67

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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.