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Finding the Fourth Proportional to 14,984.52, 20,676.66 and 9,017.64

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Solution

The fourth proportional to 14,984.52, 20,676.66 and 9,017.64 is: 12,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.52 : 20,676.66 = 9,017.64 : x
  2. Step 2: Convert to fraction form
    14,984.52/20,676.66 = 9,017.64/x
  3. Step 3: Cross multiply
    14,984.52x = 20,676.66 × 9,017.64
  4. Step 4: Simplify right side
    14,984.52x = 186,454,676.28
  5. Step 5: Solve for x
    x = 186,454,676.28/14,984.52
  6. Step 6: Final answer
    x = 12,443.15

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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.