Home / 13,526.36-18,636.67-10,109.06

Finding the Fourth Proportional to 13,526.36, 18,636.67 and 10,109.06

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Solution

The fourth proportional to 13,526.36, 18,636.67 and 10,109.06 is: 13,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.36 : 18,636.67 = 10,109.06 : x
  2. Step 2: Convert to fraction form
    13,526.36/18,636.67 = 10,109.06/x
  3. Step 3: Cross multiply
    13,526.36x = 18,636.67 × 10,109.06
  4. Step 4: Simplify right side
    13,526.36x = 188,399,215.23
  5. Step 5: Solve for x
    x = 188,399,215.23/13,526.36
  6. Step 6: Final answer
    x = 13,928.30

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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.