Home / 13,435.75-20,054.99-12,446.13

Finding the Fourth Proportional to 13,435.75, 20,054.99 and 12,446.13

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Solution

The fourth proportional to 13,435.75, 20,054.99 and 12,446.13 is: 18,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.75 : 20,054.99 = 12,446.13 : x
  2. Step 2: Convert to fraction form
    13,435.75/20,054.99 = 12,446.13/x
  3. Step 3: Cross multiply
    13,435.75x = 20,054.99 × 12,446.13
  4. Step 4: Simplify right side
    13,435.75x = 249,607,012.69
  5. Step 5: Solve for x
    x = 249,607,012.69/13,435.75
  6. Step 6: Final answer
    x = 18,577.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.