Home / 10,560.66-15,840.38-3,165.30

Finding the Fourth Proportional to 10,560.66, 15,840.38 and 3,165.30

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Solution

The fourth proportional to 10,560.66, 15,840.38 and 3,165.30 is: 4,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.66 : 15,840.38 = 3,165.30 : x
  2. Step 2: Convert to fraction form
    10,560.66/15,840.38 = 3,165.30/x
  3. Step 3: Cross multiply
    10,560.66x = 15,840.38 × 3,165.30
  4. Step 4: Simplify right side
    10,560.66x = 50,139,538.99
  5. Step 5: Solve for x
    x = 50,139,538.99/10,560.66
  6. Step 6: Final answer
    x = 4,747.77

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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.