Home / 16,231.85-22,399.98-9,158.93

Finding the Fourth Proportional to 16,231.85, 22,399.98 and 9,158.93

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Solution

The fourth proportional to 16,231.85, 22,399.98 and 9,158.93 is: 12,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.85 : 22,399.98 = 9,158.93 : x
  2. Step 2: Convert to fraction form
    16,231.85/22,399.98 = 9,158.93/x
  3. Step 3: Cross multiply
    16,231.85x = 22,399.98 × 9,158.93
  4. Step 4: Simplify right side
    16,231.85x = 205,159,848.82
  5. Step 5: Solve for x
    x = 205,159,848.82/16,231.85
  6. Step 6: Final answer
    x = 12,639.34

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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.