Home / 13,512.63-18,647.40-7,544.28

Finding the Fourth Proportional to 13,512.63, 18,647.40 and 7,544.28

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Solution

The fourth proportional to 13,512.63, 18,647.40 and 7,544.28 is: 10,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.63 : 18,647.40 = 7,544.28 : x
  2. Step 2: Convert to fraction form
    13,512.63/18,647.40 = 7,544.28/x
  3. Step 3: Cross multiply
    13,512.63x = 18,647.40 × 7,544.28
  4. Step 4: Simplify right side
    13,512.63x = 140,681,206.87
  5. Step 5: Solve for x
    x = 140,681,206.87/13,512.63
  6. Step 6: Final answer
    x = 10,411.09

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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.