Home / 14,671.37-20,240.20-9,894.40

Finding the Fourth Proportional to 14,671.37, 20,240.20 and 9,894.40

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Solution

The fourth proportional to 14,671.37, 20,240.20 and 9,894.40 is: 13,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.37 : 20,240.20 = 9,894.40 : x
  2. Step 2: Convert to fraction form
    14,671.37/20,240.20 = 9,894.40/x
  3. Step 3: Cross multiply
    14,671.37x = 20,240.20 × 9,894.40
  4. Step 4: Simplify right side
    14,671.37x = 200,264,559.54
  5. Step 5: Solve for x
    x = 200,264,559.54/14,671.37
  6. Step 6: Final answer
    x = 13,650.02

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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.