Home / 13,677.83-20,508.53-5,347.91

Finding the Fourth Proportional to 13,677.83, 20,508.53 and 5,347.91

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Solution

The fourth proportional to 13,677.83, 20,508.53 and 5,347.91 is: 8,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.83 : 20,508.53 = 5,347.91 : x
  2. Step 2: Convert to fraction form
    13,677.83/20,508.53 = 5,347.91/x
  3. Step 3: Cross multiply
    13,677.83x = 20,508.53 × 5,347.91
  4. Step 4: Simplify right side
    13,677.83x = 109,677,797.20
  5. Step 5: Solve for x
    x = 109,677,797.20/13,677.83
  6. Step 6: Final answer
    x = 8,018.66

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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.