Home / 13,607.92-20,416.30-6,677.56

Finding the Fourth Proportional to 13,607.92, 20,416.30 and 6,677.56

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Solution

The fourth proportional to 13,607.92, 20,416.30 and 6,677.56 is: 10,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.92 : 20,416.30 = 6,677.56 : x
  2. Step 2: Convert to fraction form
    13,607.92/20,416.30 = 6,677.56/x
  3. Step 3: Cross multiply
    13,607.92x = 20,416.30 × 6,677.56
  4. Step 4: Simplify right side
    13,607.92x = 136,331,068.23
  5. Step 5: Solve for x
    x = 136,331,068.23/13,607.92
  6. Step 6: Final answer
    x = 10,018.51

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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.