Home / 13,110.44-19,658.05-8,955.46

Finding the Fourth Proportional to 13,110.44, 19,658.05 and 8,955.46

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Solution

The fourth proportional to 13,110.44, 19,658.05 and 8,955.46 is: 13,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.44 : 19,658.05 = 8,955.46 : x
  2. Step 2: Convert to fraction form
    13,110.44/19,658.05 = 8,955.46/x
  3. Step 3: Cross multiply
    13,110.44x = 19,658.05 × 8,955.46
  4. Step 4: Simplify right side
    13,110.44x = 176,046,880.45
  5. Step 5: Solve for x
    x = 176,046,880.45/13,110.44
  6. Step 6: Final answer
    x = 13,427.99

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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.