Home / 13,277.88-18,323.60-7,309.67

Finding the Fourth Proportional to 13,277.88, 18,323.60 and 7,309.67

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Solution

The fourth proportional to 13,277.88, 18,323.60 and 7,309.67 is: 10,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.88 : 18,323.60 = 7,309.67 : x
  2. Step 2: Convert to fraction form
    13,277.88/18,323.60 = 7,309.67/x
  3. Step 3: Cross multiply
    13,277.88x = 18,323.60 × 7,309.67
  4. Step 4: Simplify right side
    13,277.88x = 133,939,341.05
  5. Step 5: Solve for x
    x = 133,939,341.05/13,277.88
  6. Step 6: Final answer
    x = 10,087.40

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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.