Home / 13,440.60-20,148.48-7,204.95

Finding the Fourth Proportional to 13,440.60, 20,148.48 and 7,204.95

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Solution

The fourth proportional to 13,440.60, 20,148.48 and 7,204.95 is: 10,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.60 : 20,148.48 = 7,204.95 : x
  2. Step 2: Convert to fraction form
    13,440.60/20,148.48 = 7,204.95/x
  3. Step 3: Cross multiply
    13,440.60x = 20,148.48 × 7,204.95
  4. Step 4: Simplify right side
    13,440.60x = 145,168,790.98
  5. Step 5: Solve for x
    x = 145,168,790.98/13,440.60
  6. Step 6: Final answer
    x = 10,800.77

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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.