Home / 10,351.96-15,439.49-8,802.16

Finding the Fourth Proportional to 10,351.96, 15,439.49 and 8,802.16

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Solution

The fourth proportional to 10,351.96, 15,439.49 and 8,802.16 is: 13,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.96 : 15,439.49 = 8,802.16 : x
  2. Step 2: Convert to fraction form
    10,351.96/15,439.49 = 8,802.16/x
  3. Step 3: Cross multiply
    10,351.96x = 15,439.49 × 8,802.16
  4. Step 4: Simplify right side
    10,351.96x = 135,900,861.30
  5. Step 5: Solve for x
    x = 135,900,861.30/10,351.96
  6. Step 6: Final answer
    x = 13,128.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.