Home / 18,619.60-25,689.36-12,244.36

Finding the Fourth Proportional to 18,619.60, 25,689.36 and 12,244.36

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Solution

The fourth proportional to 18,619.60, 25,689.36 and 12,244.36 is: 16,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619.60 : 25,689.36 = 12,244.36 : x
  2. Step 2: Convert to fraction form
    18,619.60/25,689.36 = 12,244.36/x
  3. Step 3: Cross multiply
    18,619.60x = 25,689.36 × 12,244.36
  4. Step 4: Simplify right side
    18,619.60x = 314,549,772.01
  5. Step 5: Solve for x
    x = 314,549,772.01/18,619.60
  6. Step 6: Final answer
    x = 16,893.48

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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.