Home / 13,277.61-18,323.60-7,309.53

Finding the Fourth Proportional to 13,277.61, 18,323.60 and 7,309.53

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Solution

The fourth proportional to 13,277.61, 18,323.60 and 7,309.53 is: 10,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.61 : 18,323.60 = 7,309.53 : x
  2. Step 2: Convert to fraction form
    13,277.61/18,323.60 = 7,309.53/x
  3. Step 3: Cross multiply
    13,277.61x = 18,323.60 × 7,309.53
  4. Step 4: Simplify right side
    13,277.61x = 133,936,867.36
  5. Step 5: Solve for x
    x = 133,936,867.36/13,277.61
  6. Step 6: Final answer
    x = 10,087.42

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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.