Home / 12,872.04-19,294.77-7,313.42

Finding the Fourth Proportional to 12,872.04, 19,294.77 and 7,313.42

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Solution

The fourth proportional to 12,872.04, 19,294.77 and 7,313.42 is: 10,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872.04 : 19,294.77 = 7,313.42 : x
  2. Step 2: Convert to fraction form
    12,872.04/19,294.77 = 7,313.42/x
  3. Step 3: Cross multiply
    12,872.04x = 19,294.77 × 7,313.42
  4. Step 4: Simplify right side
    12,872.04x = 141,110,660.34
  5. Step 5: Solve for x
    x = 141,110,660.34/12,872.04
  6. Step 6: Final answer
    x = 10,962.57

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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.