Home / 13,124.60-19,685.06-3,765.42

Finding the Fourth Proportional to 13,124.60, 19,685.06 and 3,765.42

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Solution

The fourth proportional to 13,124.60, 19,685.06 and 3,765.42 is: 5,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.60 : 19,685.06 = 3,765.42 : x
  2. Step 2: Convert to fraction form
    13,124.60/19,685.06 = 3,765.42/x
  3. Step 3: Cross multiply
    13,124.60x = 19,685.06 × 3,765.42
  4. Step 4: Simplify right side
    13,124.60x = 74,122,518.63
  5. Step 5: Solve for x
    x = 74,122,518.63/13,124.60
  6. Step 6: Final answer
    x = 5,647.60

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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.