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Finding the Fourth Proportional to 14,045, 21,073.65 and 6,654.74

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Solution

The fourth proportional to 14,045, 21,073.65 and 6,654.74 is: 9,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045 : 21,073.65 = 6,654.74 : x
  2. Step 2: Convert to fraction form
    14,045/21,073.65 = 6,654.74/x
  3. Step 3: Cross multiply
    14,045x = 21,073.65 × 6,654.74
  4. Step 4: Simplify right side
    14,045x = 140,239,661.60
  5. Step 5: Solve for x
    x = 140,239,661.60/14,045
  6. Step 6: Final answer
    x = 9,985.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.