Home / 16,331.70-22,537.80-9,258.60

Finding the Fourth Proportional to 16,331.70, 22,537.80 and 9,258.60

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Solution

The fourth proportional to 16,331.70, 22,537.80 and 9,258.60 is: 12,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.70 : 22,537.80 = 9,258.60 : x
  2. Step 2: Convert to fraction form
    16,331.70/22,537.80 = 9,258.60/x
  3. Step 3: Cross multiply
    16,331.70x = 22,537.80 × 9,258.60
  4. Step 4: Simplify right side
    16,331.70x = 208,668,475.08
  5. Step 5: Solve for x
    x = 208,668,475.08/16,331.70
  6. Step 6: Final answer
    x = 12,776.90

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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.