Home / 13,387.64-20,044.38-10,090.76

Finding the Fourth Proportional to 13,387.64, 20,044.38 and 10,090.76

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Solution

The fourth proportional to 13,387.64, 20,044.38 and 10,090.76 is: 15,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.64 : 20,044.38 = 10,090.76 : x
  2. Step 2: Convert to fraction form
    13,387.64/20,044.38 = 10,090.76/x
  3. Step 3: Cross multiply
    13,387.64x = 20,044.38 × 10,090.76
  4. Step 4: Simplify right side
    13,387.64x = 202,263,027.93
  5. Step 5: Solve for x
    x = 202,263,027.93/13,387.64
  6. Step 6: Final answer
    x = 15,108.19

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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.