Home / 10,500.03-15,748.83-4,253.72

Finding the Fourth Proportional to 10,500.03, 15,748.83 and 4,253.72

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Solution

The fourth proportional to 10,500.03, 15,748.83 and 4,253.72 is: 6,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.03 : 15,748.83 = 4,253.72 : x
  2. Step 2: Convert to fraction form
    10,500.03/15,748.83 = 4,253.72/x
  3. Step 3: Cross multiply
    10,500.03x = 15,748.83 × 4,253.72
  4. Step 4: Simplify right side
    10,500.03x = 66,991,034.40
  5. Step 5: Solve for x
    x = 66,991,034.40/10,500.03
  6. Step 6: Final answer
    x = 6,380.08

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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.