Home / 16,387.90-22,615.09-9,313.85

Finding the Fourth Proportional to 16,387.90, 22,615.09 and 9,313.85

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Solution

The fourth proportional to 16,387.90, 22,615.09 and 9,313.85 is: 12,853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.90 : 22,615.09 = 9,313.85 : x
  2. Step 2: Convert to fraction form
    16,387.90/22,615.09 = 9,313.85/x
  3. Step 3: Cross multiply
    16,387.90x = 22,615.09 × 9,313.85
  4. Step 4: Simplify right side
    16,387.90x = 210,633,589.25
  5. Step 5: Solve for x
    x = 210,633,589.25/16,387.90
  6. Step 6: Final answer
    x = 12,853.00

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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.