Home / 13,536.81-18,685.87-10,189.29

Finding the Fourth Proportional to 13,536.81, 18,685.87 and 10,189.29

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Solution

The fourth proportional to 13,536.81, 18,685.87 and 10,189.29 is: 14,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.81 : 18,685.87 = 10,189.29 : x
  2. Step 2: Convert to fraction form
    13,536.81/18,685.87 = 10,189.29/x
  3. Step 3: Cross multiply
    13,536.81x = 18,685.87 × 10,189.29
  4. Step 4: Simplify right side
    13,536.81x = 190,395,748.33
  5. Step 5: Solve for x
    x = 190,395,748.33/13,536.81
  6. Step 6: Final answer
    x = 14,065.04

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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.