Home / 12,623.30-17,421.45-7,589.16

Finding the Fourth Proportional to 12,623.30, 17,421.45 and 7,589.16

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Solution

The fourth proportional to 12,623.30, 17,421.45 and 7,589.16 is: 10,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.30 : 17,421.45 = 7,589.16 : x
  2. Step 2: Convert to fraction form
    12,623.30/17,421.45 = 7,589.16/x
  3. Step 3: Cross multiply
    12,623.30x = 17,421.45 × 7,589.16
  4. Step 4: Simplify right side
    12,623.30x = 132,214,171.48
  5. Step 5: Solve for x
    x = 132,214,171.48/12,623.30
  6. Step 6: Final answer
    x = 10,473.82

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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.