Home / 10,919.02-15,064.26-6,200.56

Finding the Fourth Proportional to 10,919.02, 15,064.26 and 6,200.56

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Solution

The fourth proportional to 10,919.02, 15,064.26 and 6,200.56 is: 8,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.02 : 15,064.26 = 6,200.56 : x
  2. Step 2: Convert to fraction form
    10,919.02/15,064.26 = 6,200.56/x
  3. Step 3: Cross multiply
    10,919.02x = 15,064.26 × 6,200.56
  4. Step 4: Simplify right side
    10,919.02x = 93,406,847.99
  5. Step 5: Solve for x
    x = 93,406,847.99/10,919.02
  6. Step 6: Final answer
    x = 8,554.51

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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.