Home / 10,630.16-14,662.15-9,211.33

Finding the Fourth Proportional to 10,630.16, 14,662.15 and 9,211.33

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Solution

The fourth proportional to 10,630.16, 14,662.15 and 9,211.33 is: 12,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.16 : 14,662.15 = 9,211.33 : x
  2. Step 2: Convert to fraction form
    10,630.16/14,662.15 = 9,211.33/x
  3. Step 3: Cross multiply
    10,630.16x = 14,662.15 × 9,211.33
  4. Step 4: Simplify right side
    10,630.16x = 135,057,842.48
  5. Step 5: Solve for x
    x = 135,057,842.48/10,630.16
  6. Step 6: Final answer
    x = 12,705.16

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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.