Home / 12,530.04-17,289.90-6,942.12

Finding the Fourth Proportional to 12,530.04, 17,289.90 and 6,942.12

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Solution

The fourth proportional to 12,530.04, 17,289.90 and 6,942.12 is: 9,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.04 : 17,289.90 = 6,942.12 : x
  2. Step 2: Convert to fraction form
    12,530.04/17,289.90 = 6,942.12/x
  3. Step 3: Cross multiply
    12,530.04x = 17,289.90 × 6,942.12
  4. Step 4: Simplify right side
    12,530.04x = 120,028,560.59
  5. Step 5: Solve for x
    x = 120,028,560.59/12,530.04
  6. Step 6: Final answer
    x = 9,579.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.