Home / 12,582.46-18,875.96-5,182.88

Finding the Fourth Proportional to 12,582.46, 18,875.96 and 5,182.88

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Solution

The fourth proportional to 12,582.46, 18,875.96 and 5,182.88 is: 7,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.46 : 18,875.96 = 5,182.88 : x
  2. Step 2: Convert to fraction form
    12,582.46/18,875.96 = 5,182.88/x
  3. Step 3: Cross multiply
    12,582.46x = 18,875.96 × 5,182.88
  4. Step 4: Simplify right side
    12,582.46x = 97,831,835.56
  5. Step 5: Solve for x
    x = 97,831,835.56/12,582.46
  6. Step 6: Final answer
    x = 7,775.26

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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.