Home / 13,370.04-20,045.34-8,179.56

Finding the Fourth Proportional to 13,370.04, 20,045.34 and 8,179.56

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Solution

The fourth proportional to 13,370.04, 20,045.34 and 8,179.56 is: 12,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.04 : 20,045.34 = 8,179.56 : x
  2. Step 2: Convert to fraction form
    13,370.04/20,045.34 = 8,179.56/x
  3. Step 3: Cross multiply
    13,370.04x = 20,045.34 × 8,179.56
  4. Step 4: Simplify right side
    13,370.04x = 163,962,061.25
  5. Step 5: Solve for x
    x = 163,962,061.25/13,370.04
  6. Step 6: Final answer
    x = 12,263.39

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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.