Home / 14,854.60-20,513.22-9,558.64

Finding the Fourth Proportional to 14,854.60, 20,513.22 and 9,558.64

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Solution

The fourth proportional to 14,854.60, 20,513.22 and 9,558.64 is: 13,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.60 : 20,513.22 = 9,558.64 : x
  2. Step 2: Convert to fraction form
    14,854.60/20,513.22 = 9,558.64/x
  3. Step 3: Cross multiply
    14,854.60x = 20,513.22 × 9,558.64
  4. Step 4: Simplify right side
    14,854.60x = 196,078,485.22
  5. Step 5: Solve for x
    x = 196,078,485.22/14,854.60
  6. Step 6: Final answer
    x = 13,199.85

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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.