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Finding the Fourth Proportional to 14,765.64, 20,376.10 and 8,051.08

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Solution

The fourth proportional to 14,765.64, 20,376.10 and 8,051.08 is: 11,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.64 : 20,376.10 = 8,051.08 : x
  2. Step 2: Convert to fraction form
    14,765.64/20,376.10 = 8,051.08/x
  3. Step 3: Cross multiply
    14,765.64x = 20,376.10 × 8,051.08
  4. Step 4: Simplify right side
    14,765.64x = 164,049,611.19
  5. Step 5: Solve for x
    x = 164,049,611.19/14,765.64
  6. Step 6: Final answer
    x = 11,110.23

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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.