Home / 13,767.48-20,638.98-10,253.25

Finding the Fourth Proportional to 13,767.48, 20,638.98 and 10,253.25

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Solution

The fourth proportional to 13,767.48, 20,638.98 and 10,253.25 is: 15,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.48 : 20,638.98 = 10,253.25 : x
  2. Step 2: Convert to fraction form
    13,767.48/20,638.98 = 10,253.25/x
  3. Step 3: Cross multiply
    13,767.48x = 20,638.98 × 10,253.25
  4. Step 4: Simplify right side
    13,767.48x = 211,616,621.69
  5. Step 5: Solve for x
    x = 211,616,621.69/13,767.48
  6. Step 6: Final answer
    x = 15,370.76

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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.