Home / 13,124.96-19,684.48-3,764.80

Finding the Fourth Proportional to 13,124.96, 19,684.48 and 3,764.80

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Solution

The fourth proportional to 13,124.96, 19,684.48 and 3,764.80 is: 5,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.96 : 19,684.48 = 3,764.80 : x
  2. Step 2: Convert to fraction form
    13,124.96/19,684.48 = 3,764.80/x
  3. Step 3: Cross multiply
    13,124.96x = 19,684.48 × 3,764.80
  4. Step 4: Simplify right side
    13,124.96x = 74,108,130.30
  5. Step 5: Solve for x
    x = 74,108,130.30/13,124.96
  6. Step 6: Final answer
    x = 5,646.35

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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.