Home / 12,454.32-18,650.70-9,284.15

Finding the Fourth Proportional to 12,454.32, 18,650.70 and 9,284.15

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Solution

The fourth proportional to 12,454.32, 18,650.70 and 9,284.15 is: 13,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.32 : 18,650.70 = 9,284.15 : x
  2. Step 2: Convert to fraction form
    12,454.32/18,650.70 = 9,284.15/x
  3. Step 3: Cross multiply
    12,454.32x = 18,650.70 × 9,284.15
  4. Step 4: Simplify right side
    12,454.32x = 173,155,896.41
  5. Step 5: Solve for x
    x = 173,155,896.41/12,454.32
  6. Step 6: Final answer
    x = 13,903.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.