Home / 13,908.03-20,847.47-6,506.25

Finding the Fourth Proportional to 13,908.03, 20,847.47 and 6,506.25

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Solution

The fourth proportional to 13,908.03, 20,847.47 and 6,506.25 is: 9,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.03 : 20,847.47 = 6,506.25 : x
  2. Step 2: Convert to fraction form
    13,908.03/20,847.47 = 6,506.25/x
  3. Step 3: Cross multiply
    13,908.03x = 20,847.47 × 6,506.25
  4. Step 4: Simplify right side
    13,908.03x = 135,638,819.16
  5. Step 5: Solve for x
    x = 135,638,819.16/13,908.03
  6. Step 6: Final answer
    x = 9,752.55

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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.