Home / 13,343.69-20,015.90-3,482.75

Finding the Fourth Proportional to 13,343.69, 20,015.90 and 3,482.75

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Solution

The fourth proportional to 13,343.69, 20,015.90 and 3,482.75 is: 5,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.69 : 20,015.90 = 3,482.75 : x
  2. Step 2: Convert to fraction form
    13,343.69/20,015.90 = 3,482.75/x
  3. Step 3: Cross multiply
    13,343.69x = 20,015.90 × 3,482.75
  4. Step 4: Simplify right side
    13,343.69x = 69,710,258.23
  5. Step 5: Solve for x
    x = 69,710,258.23/13,343.69
  6. Step 6: Final answer
    x = 5,224.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.