Home / 14,124.64-19,494.84-8,157.28

Finding the Fourth Proportional to 14,124.64, 19,494.84 and 8,157.28

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Solution

The fourth proportional to 14,124.64, 19,494.84 and 8,157.28 is: 11,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.64 : 19,494.84 = 8,157.28 : x
  2. Step 2: Convert to fraction form
    14,124.64/19,494.84 = 8,157.28/x
  3. Step 3: Cross multiply
    14,124.64x = 19,494.84 × 8,157.28
  4. Step 4: Simplify right side
    14,124.64x = 159,024,868.44
  5. Step 5: Solve for x
    x = 159,024,868.44/14,124.64
  6. Step 6: Final answer
    x = 11,258.68

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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.