Home / 15,621.38-23,433.89-5,090.97

Finding the Fourth Proportional to 15,621.38, 23,433.89 and 5,090.97

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Solution

The fourth proportional to 15,621.38, 23,433.89 and 5,090.97 is: 7,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.38 : 23,433.89 = 5,090.97 : x
  2. Step 2: Convert to fraction form
    15,621.38/23,433.89 = 5,090.97/x
  3. Step 3: Cross multiply
    15,621.38x = 23,433.89 × 5,090.97
  4. Step 4: Simplify right side
    15,621.38x = 119,301,230.97
  5. Step 5: Solve for x
    x = 119,301,230.97/15,621.38
  6. Step 6: Final answer
    x = 7,637.05

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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.