Home / 20,360.24-30,551.80-11,000.08

Finding the Fourth Proportional to 20,360.24, 30,551.80 and 11,000.08

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Solution

The fourth proportional to 20,360.24, 30,551.80 and 11,000.08 is: 16,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.24 : 30,551.80 = 11,000.08 : x
  2. Step 2: Convert to fraction form
    20,360.24/30,551.80 = 11,000.08/x
  3. Step 3: Cross multiply
    20,360.24x = 30,551.80 × 11,000.08
  4. Step 4: Simplify right side
    20,360.24x = 336,072,244.14
  5. Step 5: Solve for x
    x = 336,072,244.14/20,360.24
  6. Step 6: Final answer
    x = 16,506.30

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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.