Home / 13,360.30-18,431.41-8,052.10

Finding the Fourth Proportional to 13,360.30, 18,431.41 and 8,052.10

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Solution

The fourth proportional to 13,360.30, 18,431.41 and 8,052.10 is: 11,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.30 : 18,431.41 = 8,052.10 : x
  2. Step 2: Convert to fraction form
    13,360.30/18,431.41 = 8,052.10/x
  3. Step 3: Cross multiply
    13,360.30x = 18,431.41 × 8,052.10
  4. Step 4: Simplify right side
    13,360.30x = 148,411,556.46
  5. Step 5: Solve for x
    x = 148,411,556.46/13,360.30
  6. Step 6: Final answer
    x = 11,108.40

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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.