Home / 13,975.38-20,967.38-4,847.40

Finding the Fourth Proportional to 13,975.38, 20,967.38 and 4,847.40

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Solution

The fourth proportional to 13,975.38, 20,967.38 and 4,847.40 is: 7,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.38 : 20,967.38 = 4,847.40 : x
  2. Step 2: Convert to fraction form
    13,975.38/20,967.38 = 4,847.40/x
  3. Step 3: Cross multiply
    13,975.38x = 20,967.38 × 4,847.40
  4. Step 4: Simplify right side
    13,975.38x = 101,637,277.81
  5. Step 5: Solve for x
    x = 101,637,277.81/13,975.38
  6. Step 6: Final answer
    x = 7,272.59

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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.