Home / 23,117.40-34,676.10-13,786.20

Finding the Fourth Proportional to 23,117.40, 34,676.10 and 13,786.20

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Solution

The fourth proportional to 23,117.40, 34,676.10 and 13,786.20 is: 20,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.40 : 34,676.10 = 13,786.20 : x
  2. Step 2: Convert to fraction form
    23,117.40/34,676.10 = 13,786.20/x
  3. Step 3: Cross multiply
    23,117.40x = 34,676.10 × 13,786.20
  4. Step 4: Simplify right side
    23,117.40x = 478,051,649.82
  5. Step 5: Solve for x
    x = 478,051,649.82/23,117.40
  6. Step 6: Final answer
    x = 20,679.30

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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.