Home / 11,437.25-15,783.56-6,401.67

Finding the Fourth Proportional to 11,437.25, 15,783.56 and 6,401.67

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Solution

The fourth proportional to 11,437.25, 15,783.56 and 6,401.67 is: 8,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.25 : 15,783.56 = 6,401.67 : x
  2. Step 2: Convert to fraction form
    11,437.25/15,783.56 = 6,401.67/x
  3. Step 3: Cross multiply
    11,437.25x = 15,783.56 × 6,401.67
  4. Step 4: Simplify right side
    11,437.25x = 101,041,110.54
  5. Step 5: Solve for x
    x = 101,041,110.54/11,437.25
  6. Step 6: Final answer
    x = 8,834.39

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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.