Home / 13,415.82-18,532.17-10,895.10

Finding the Fourth Proportional to 13,415.82, 18,532.17 and 10,895.10

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Solution

The fourth proportional to 13,415.82, 18,532.17 and 10,895.10 is: 15,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415.82 : 18,532.17 = 10,895.10 : x
  2. Step 2: Convert to fraction form
    13,415.82/18,532.17 = 10,895.10/x
  3. Step 3: Cross multiply
    13,415.82x = 18,532.17 × 10,895.10
  4. Step 4: Simplify right side
    13,415.82x = 201,909,845.37
  5. Step 5: Solve for x
    x = 201,909,845.37/13,415.82
  6. Step 6: Final answer
    x = 15,050.13

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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.