Home / 13,658.90-18,858.56-10,466.55

Finding the Fourth Proportional to 13,658.90, 18,858.56 and 10,466.55

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Solution

The fourth proportional to 13,658.90, 18,858.56 and 10,466.55 is: 14,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.90 : 18,858.56 = 10,466.55 : x
  2. Step 2: Convert to fraction form
    13,658.90/18,858.56 = 10,466.55/x
  3. Step 3: Cross multiply
    13,658.90x = 18,858.56 × 10,466.55
  4. Step 4: Simplify right side
    13,658.90x = 197,384,008.84
  5. Step 5: Solve for x
    x = 197,384,008.84/13,658.90
  6. Step 6: Final answer
    x = 14,450.95

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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.