Home / 14,842.85-20,484.90-9,181.35

Finding the Fourth Proportional to 14,842.85, 20,484.90 and 9,181.35

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Solution

The fourth proportional to 14,842.85, 20,484.90 and 9,181.35 is: 12,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,842.85 : 20,484.90 = 9,181.35 : x
  2. Step 2: Convert to fraction form
    14,842.85/20,484.90 = 9,181.35/x
  3. Step 3: Cross multiply
    14,842.85x = 20,484.90 × 9,181.35
  4. Step 4: Simplify right side
    14,842.85x = 188,079,036.62
  5. Step 5: Solve for x
    x = 188,079,036.62/14,842.85
  6. Step 6: Final answer
    x = 12,671.36

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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.