Home / 14,258.64-19,676.72-8,293.76

Finding the Fourth Proportional to 14,258.64, 19,676.72 and 8,293.76

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Solution

The fourth proportional to 14,258.64, 19,676.72 and 8,293.76 is: 11,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.64 : 19,676.72 = 8,293.76 : x
  2. Step 2: Convert to fraction form
    14,258.64/19,676.72 = 8,293.76/x
  3. Step 3: Cross multiply
    14,258.64x = 19,676.72 × 8,293.76
  4. Step 4: Simplify right side
    14,258.64x = 163,193,993.27
  5. Step 5: Solve for x
    x = 163,193,993.27/14,258.64
  6. Step 6: Final answer
    x = 11,445.27

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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.