Home / 13,504.50-18,637.11-7,536.30

Finding the Fourth Proportional to 13,504.50, 18,637.11 and 7,536.30

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Solution

The fourth proportional to 13,504.50, 18,637.11 and 7,536.30 is: 10,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.50 : 18,637.11 = 7,536.30 : x
  2. Step 2: Convert to fraction form
    13,504.50/18,637.11 = 7,536.30/x
  3. Step 3: Cross multiply
    13,504.50x = 18,637.11 × 7,536.30
  4. Step 4: Simplify right side
    13,504.50x = 140,454,852.09
  5. Step 5: Solve for x
    x = 140,454,852.09/13,504.50
  6. Step 6: Final answer
    x = 10,400.60

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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.