Home / 16,909.30-25,331.67-9,491.26

Finding the Fourth Proportional to 16,909.30, 25,331.67 and 9,491.26

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Solution

The fourth proportional to 16,909.30, 25,331.67 and 9,491.26 is: 14,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.30 : 25,331.67 = 9,491.26 : x
  2. Step 2: Convert to fraction form
    16,909.30/25,331.67 = 9,491.26/x
  3. Step 3: Cross multiply
    16,909.30x = 25,331.67 × 9,491.26
  4. Step 4: Simplify right side
    16,909.30x = 240,429,466.20
  5. Step 5: Solve for x
    x = 240,429,466.20/16,909.30
  6. Step 6: Final answer
    x = 14,218.77

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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.