Home / 11,018.70-15,205.46-6,302.88

Finding the Fourth Proportional to 11,018.70, 15,205.46 and 6,302.88

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Solution

The fourth proportional to 11,018.70, 15,205.46 and 6,302.88 is: 8,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.70 : 15,205.46 = 6,302.88 : x
  2. Step 2: Convert to fraction form
    11,018.70/15,205.46 = 6,302.88/x
  3. Step 3: Cross multiply
    11,018.70x = 15,205.46 × 6,302.88
  4. Step 4: Simplify right side
    11,018.70x = 95,838,158.21
  5. Step 5: Solve for x
    x = 95,838,158.21/11,018.70
  6. Step 6: Final answer
    x = 8,697.77

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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.