Home / 13,445.24-20,162.70-4,677.80

Finding the Fourth Proportional to 13,445.24, 20,162.70 and 4,677.80

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Solution

The fourth proportional to 13,445.24, 20,162.70 and 4,677.80 is: 7,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.24 : 20,162.70 = 4,677.80 : x
  2. Step 2: Convert to fraction form
    13,445.24/20,162.70 = 4,677.80/x
  3. Step 3: Cross multiply
    13,445.24x = 20,162.70 × 4,677.80
  4. Step 4: Simplify right side
    13,445.24x = 94,317,078.06
  5. Step 5: Solve for x
    x = 94,317,078.06/13,445.24
  6. Step 6: Final answer
    x = 7,014.90

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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.