Home / 13,480.64-20,293.75-12,124.35

Finding the Fourth Proportional to 13,480.64, 20,293.75 and 12,124.35

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Solution

The fourth proportional to 13,480.64, 20,293.75 and 12,124.35 is: 18,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.64 : 20,293.75 = 12,124.35 : x
  2. Step 2: Convert to fraction form
    13,480.64/20,293.75 = 12,124.35/x
  3. Step 3: Cross multiply
    13,480.64x = 20,293.75 × 12,124.35
  4. Step 4: Simplify right side
    13,480.64x = 246,048,497.50
  5. Step 5: Solve for x
    x = 246,048,497.50/13,480.64
  6. Step 6: Final answer
    x = 18,252.00

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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.