Home / 13,548.76-20,424.69-12,645.62

Finding the Fourth Proportional to 13,548.76, 20,424.69 and 12,645.62

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Solution

The fourth proportional to 13,548.76, 20,424.69 and 12,645.62 is: 19,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.76 : 20,424.69 = 12,645.62 : x
  2. Step 2: Convert to fraction form
    13,548.76/20,424.69 = 12,645.62/x
  3. Step 3: Cross multiply
    13,548.76x = 20,424.69 × 12,645.62
  4. Step 4: Simplify right side
    13,548.76x = 258,282,868.36
  5. Step 5: Solve for x
    x = 258,282,868.36/13,548.76
  6. Step 6: Final answer
    x = 19,063.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.