Home / 13,210.33-18,254.39-9,619.03

Finding the Fourth Proportional to 13,210.33, 18,254.39 and 9,619.03

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Solution

The fourth proportional to 13,210.33, 18,254.39 and 9,619.03 is: 13,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.33 : 18,254.39 = 9,619.03 : x
  2. Step 2: Convert to fraction form
    13,210.33/18,254.39 = 9,619.03/x
  3. Step 3: Cross multiply
    13,210.33x = 18,254.39 × 9,619.03
  4. Step 4: Simplify right side
    13,210.33x = 175,589,475.48
  5. Step 5: Solve for x
    x = 175,589,475.48/13,210.33
  6. Step 6: Final answer
    x = 13,291.83

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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.