Home / 10,290.87-14,201.66-6,309.67

Finding the Fourth Proportional to 10,290.87, 14,201.66 and 6,309.67

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Solution

The fourth proportional to 10,290.87, 14,201.66 and 6,309.67 is: 8,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.87 : 14,201.66 = 6,309.67 : x
  2. Step 2: Convert to fraction form
    10,290.87/14,201.66 = 6,309.67/x
  3. Step 3: Cross multiply
    10,290.87x = 14,201.66 × 6,309.67
  4. Step 4: Simplify right side
    10,290.87x = 89,607,788.05
  5. Step 5: Solve for x
    x = 89,607,788.05/10,290.87
  6. Step 6: Final answer
    x = 8,707.50

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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.