Home / 12,182.85-18,276.58-3,864.96

Finding the Fourth Proportional to 12,182.85, 18,276.58 and 3,864.96

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Solution

The fourth proportional to 12,182.85, 18,276.58 and 3,864.96 is: 5,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.85 : 18,276.58 = 3,864.96 : x
  2. Step 2: Convert to fraction form
    12,182.85/18,276.58 = 3,864.96/x
  3. Step 3: Cross multiply
    12,182.85x = 18,276.58 × 3,864.96
  4. Step 4: Simplify right side
    12,182.85x = 70,638,193.19
  5. Step 5: Solve for x
    x = 70,638,193.19/12,182.85
  6. Step 6: Final answer
    x = 5,798.17

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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.