Home / 30,374.13-45,563.85-8,186.97

Finding the Fourth Proportional to 30,374.13, 45,563.85 and 8,186.97

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Solution

The fourth proportional to 30,374.13, 45,563.85 and 8,186.97 is: 12,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.13 : 45,563.85 = 8,186.97 : x
  2. Step 2: Convert to fraction form
    30,374.13/45,563.85 = 8,186.97/x
  3. Step 3: Cross multiply
    30,374.13x = 45,563.85 × 8,186.97
  4. Step 4: Simplify right side
    30,374.13x = 373,029,873.03
  5. Step 5: Solve for x
    x = 373,029,873.03/30,374.13
  6. Step 6: Final answer
    x = 12,281.17

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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.