Home / 13,277.55-18,323.11-7,309.07

Finding the Fourth Proportional to 13,277.55, 18,323.11 and 7,309.07

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Solution

The fourth proportional to 13,277.55, 18,323.11 and 7,309.07 is: 10,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.55 : 18,323.11 = 7,309.07 : x
  2. Step 2: Convert to fraction form
    13,277.55/18,323.11 = 7,309.07/x
  3. Step 3: Cross multiply
    13,277.55x = 18,323.11 × 7,309.07
  4. Step 4: Simplify right side
    13,277.55x = 133,924,879.84
  5. Step 5: Solve for x
    x = 133,924,879.84/13,277.55
  6. Step 6: Final answer
    x = 10,086.56

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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.