Home / 13,506.39-20,261.61-4,739.76

Finding the Fourth Proportional to 13,506.39, 20,261.61 and 4,739.76

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Solution

The fourth proportional to 13,506.39, 20,261.61 and 4,739.76 is: 7,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.39 : 20,261.61 = 4,739.76 : x
  2. Step 2: Convert to fraction form
    13,506.39/20,261.61 = 4,739.76/x
  3. Step 3: Cross multiply
    13,506.39x = 20,261.61 × 4,739.76
  4. Step 4: Simplify right side
    13,506.39x = 96,035,168.61
  5. Step 5: Solve for x
    x = 96,035,168.61/13,506.39
  6. Step 6: Final answer
    x = 7,110.35

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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.