Home / 13,277.79-19,928.99-6,708.60

Finding the Fourth Proportional to 13,277.79, 19,928.99 and 6,708.60

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Solution

The fourth proportional to 13,277.79, 19,928.99 and 6,708.60 is: 10,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.79 : 19,928.99 = 6,708.60 : x
  2. Step 2: Convert to fraction form
    13,277.79/19,928.99 = 6,708.60/x
  3. Step 3: Cross multiply
    13,277.79x = 19,928.99 × 6,708.60
  4. Step 4: Simplify right side
    13,277.79x = 133,695,489.13
  5. Step 5: Solve for x
    x = 133,695,489.13/13,277.79
  6. Step 6: Final answer
    x = 10,069.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.