Home / 12,132.96-18,184.55-5,800.58

Finding the Fourth Proportional to 12,132.96, 18,184.55 and 5,800.58

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Solution

The fourth proportional to 12,132.96, 18,184.55 and 5,800.58 is: 8,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.96 : 18,184.55 = 5,800.58 : x
  2. Step 2: Convert to fraction form
    12,132.96/18,184.55 = 5,800.58/x
  3. Step 3: Cross multiply
    12,132.96x = 18,184.55 × 5,800.58
  4. Step 4: Simplify right side
    12,132.96x = 105,480,817.11
  5. Step 5: Solve for x
    x = 105,480,817.11/12,132.96
  6. Step 6: Final answer
    x = 8,693.74

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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.