Home / 13,820.26-19,071.96-7,532.64

Finding the Fourth Proportional to 13,820.26, 19,071.96 and 7,532.64

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Solution

The fourth proportional to 13,820.26, 19,071.96 and 7,532.64 is: 10,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.26 : 19,071.96 = 7,532.64 : x
  2. Step 2: Convert to fraction form
    13,820.26/19,071.96 = 7,532.64/x
  3. Step 3: Cross multiply
    13,820.26x = 19,071.96 × 7,532.64
  4. Step 4: Simplify right side
    13,820.26x = 143,662,208.77
  5. Step 5: Solve for x
    x = 143,662,208.77/13,820.26
  6. Step 6: Final answer
    x = 10,395.04

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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.