Home / 13,133.39-18,127.01-8,352.41

Finding the Fourth Proportional to 13,133.39, 18,127.01 and 8,352.41

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Solution

The fourth proportional to 13,133.39, 18,127.01 and 8,352.41 is: 11,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.39 : 18,127.01 = 8,352.41 : x
  2. Step 2: Convert to fraction form
    13,133.39/18,127.01 = 8,352.41/x
  3. Step 3: Cross multiply
    13,133.39x = 18,127.01 × 8,352.41
  4. Step 4: Simplify right side
    13,133.39x = 151,404,219.59
  5. Step 5: Solve for x
    x = 151,404,219.59/13,133.39
  6. Step 6: Final answer
    x = 11,528.19

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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.