Home / 12,357.32-18,533.08-4,035.20

Finding the Fourth Proportional to 12,357.32, 18,533.08 and 4,035.20

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Solution

The fourth proportional to 12,357.32, 18,533.08 and 4,035.20 is: 6,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.32 : 18,533.08 = 4,035.20 : x
  2. Step 2: Convert to fraction form
    12,357.32/18,533.08 = 4,035.20/x
  3. Step 3: Cross multiply
    12,357.32x = 18,533.08 × 4,035.20
  4. Step 4: Simplify right side
    12,357.32x = 74,784,684.42
  5. Step 5: Solve for x
    x = 74,784,684.42/12,357.32
  6. Step 6: Final answer
    x = 6,051.85

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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.