Home / 10,447.18-15,670.87-2,655.99

Finding the Fourth Proportional to 10,447.18, 15,670.87 and 2,655.99

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Solution

The fourth proportional to 10,447.18, 15,670.87 and 2,655.99 is: 3,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.18 : 15,670.87 = 2,655.99 : x
  2. Step 2: Convert to fraction form
    10,447.18/15,670.87 = 2,655.99/x
  3. Step 3: Cross multiply
    10,447.18x = 15,670.87 × 2,655.99
  4. Step 4: Simplify right side
    10,447.18x = 41,621,667.37
  5. Step 5: Solve for x
    x = 41,621,667.37/10,447.18
  6. Step 6: Final answer
    x = 3,984.01

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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.