Home / 11,099.40-15,317.16-6,383.67

Finding the Fourth Proportional to 11,099.40, 15,317.16 and 6,383.67

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Solution

The fourth proportional to 11,099.40, 15,317.16 and 6,383.67 is: 8,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.40 : 15,317.16 = 6,383.67 : x
  2. Step 2: Convert to fraction form
    11,099.40/15,317.16 = 6,383.67/x
  3. Step 3: Cross multiply
    11,099.40x = 15,317.16 × 6,383.67
  4. Step 4: Simplify right side
    11,099.40x = 97,779,694.78
  5. Step 5: Solve for x
    x = 97,779,694.78/11,099.40
  6. Step 6: Final answer
    x = 8,809.46

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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.