Home / 16,089.87-22,203.11-9,376.59

Finding the Fourth Proportional to 16,089.87, 22,203.11 and 9,376.59

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Solution

The fourth proportional to 16,089.87, 22,203.11 and 9,376.59 is: 12,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,089.87 : 22,203.11 = 9,376.59 : x
  2. Step 2: Convert to fraction form
    16,089.87/22,203.11 = 9,376.59/x
  3. Step 3: Cross multiply
    16,089.87x = 22,203.11 × 9,376.59
  4. Step 4: Simplify right side
    16,089.87x = 208,189,412.31
  5. Step 5: Solve for x
    x = 208,189,412.31/16,089.87
  6. Step 6: Final answer
    x = 12,939.16

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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.