Home / 11,289.22-15,580.01-7,259.67

Finding the Fourth Proportional to 11,289.22, 15,580.01 and 7,259.67

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Solution

The fourth proportional to 11,289.22, 15,580.01 and 7,259.67 is: 10,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.22 : 15,580.01 = 7,259.67 : x
  2. Step 2: Convert to fraction form
    11,289.22/15,580.01 = 7,259.67/x
  3. Step 3: Cross multiply
    11,289.22x = 15,580.01 × 7,259.67
  4. Step 4: Simplify right side
    11,289.22x = 113,105,749.35
  5. Step 5: Solve for x
    x = 113,105,749.35/11,289.22
  6. Step 6: Final answer
    x = 10,018.92

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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.