Home / 11,018.34-16,563.96-10,206.72

Finding the Fourth Proportional to 11,018.34, 16,563.96 and 10,206.72

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Solution

The fourth proportional to 11,018.34, 16,563.96 and 10,206.72 is: 15,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.34 : 16,563.96 = 10,206.72 : x
  2. Step 2: Convert to fraction form
    11,018.34/16,563.96 = 10,206.72/x
  3. Step 3: Cross multiply
    11,018.34x = 16,563.96 × 10,206.72
  4. Step 4: Simplify right side
    11,018.34x = 169,063,701.81
  5. Step 5: Solve for x
    x = 169,063,701.81/11,018.34
  6. Step 6: Final answer
    x = 15,343.85

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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.