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Finding the Fourth Proportional to 14,354.52, 19,808.96 and 8,765.52

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Solution

The fourth proportional to 14,354.52, 19,808.96 and 8,765.52 is: 12,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.52 : 19,808.96 = 8,765.52 : x
  2. Step 2: Convert to fraction form
    14,354.52/19,808.96 = 8,765.52/x
  3. Step 3: Cross multiply
    14,354.52x = 19,808.96 × 8,765.52
  4. Step 4: Simplify right side
    14,354.52x = 173,635,835.06
  5. Step 5: Solve for x
    x = 173,635,835.06/14,354.52
  6. Step 6: Final answer
    x = 12,096.25

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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.