Home / 10,080.90-15,119.37-9,580.81

Finding the Fourth Proportional to 10,080.90, 15,119.37 and 9,580.81

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Solution

The fourth proportional to 10,080.90, 15,119.37 and 9,580.81 is: 14,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.90 : 15,119.37 = 9,580.81 : x
  2. Step 2: Convert to fraction form
    10,080.90/15,119.37 = 9,580.81/x
  3. Step 3: Cross multiply
    10,080.90x = 15,119.37 × 9,580.81
  4. Step 4: Simplify right side
    10,080.90x = 144,855,811.29
  5. Step 5: Solve for x
    x = 144,855,811.29/10,080.90
  6. Step 6: Final answer
    x = 14,369.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.