Home / 18,504.83-25,520.51-13,116.60

Finding the Fourth Proportional to 18,504.83, 25,520.51 and 13,116.60

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Solution

The fourth proportional to 18,504.83, 25,520.51 and 13,116.60 is: 18,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.83 : 25,520.51 = 13,116.60 : x
  2. Step 2: Convert to fraction form
    18,504.83/25,520.51 = 13,116.60/x
  3. Step 3: Cross multiply
    18,504.83x = 25,520.51 × 13,116.60
  4. Step 4: Simplify right side
    18,504.83x = 334,742,255.88
  5. Step 5: Solve for x
    x = 334,742,255.88/18,504.83
  6. Step 6: Final answer
    x = 18,089.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.