Home / 13,306.94-19,954.64-7,065.60

Finding the Fourth Proportional to 13,306.94, 19,954.64 and 7,065.60

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Solution

The fourth proportional to 13,306.94, 19,954.64 and 7,065.60 is: 10,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.94 : 19,954.64 = 7,065.60 : x
  2. Step 2: Convert to fraction form
    13,306.94/19,954.64 = 7,065.60/x
  3. Step 3: Cross multiply
    13,306.94x = 19,954.64 × 7,065.60
  4. Step 4: Simplify right side
    13,306.94x = 140,991,504.38
  5. Step 5: Solve for x
    x = 140,991,504.38/13,306.94
  6. Step 6: Final answer
    x = 10,595.34

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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.