Home / 12,530.42-18,796.44-4,210.10

Finding the Fourth Proportional to 12,530.42, 18,796.44 and 4,210.10

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Solution

The fourth proportional to 12,530.42, 18,796.44 and 4,210.10 is: 6,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.42 : 18,796.44 = 4,210.10 : x
  2. Step 2: Convert to fraction form
    12,530.42/18,796.44 = 4,210.10/x
  3. Step 3: Cross multiply
    12,530.42x = 18,796.44 × 4,210.10
  4. Step 4: Simplify right side
    12,530.42x = 79,134,892.04
  5. Step 5: Solve for x
    x = 79,134,892.04/12,530.42
  6. Step 6: Final answer
    x = 6,315.42

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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.