Home / 10,500.13-15,750.26-2,709.01

Finding the Fourth Proportional to 10,500.13, 15,750.26 and 2,709.01

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Solution

The fourth proportional to 10,500.13, 15,750.26 and 2,709.01 is: 4,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.13 : 15,750.26 = 2,709.01 : x
  2. Step 2: Convert to fraction form
    10,500.13/15,750.26 = 2,709.01/x
  3. Step 3: Cross multiply
    10,500.13x = 15,750.26 × 2,709.01
  4. Step 4: Simplify right side
    10,500.13x = 42,667,519.55
  5. Step 5: Solve for x
    x = 42,667,519.55/10,500.13
  6. Step 6: Final answer
    x = 4,063.52

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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.