Home / 11,113.24-16,655.66-4,871.58

Finding the Fourth Proportional to 11,113.24, 16,655.66 and 4,871.58

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Solution

The fourth proportional to 11,113.24, 16,655.66 and 4,871.58 is: 7,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.24 : 16,655.66 = 4,871.58 : x
  2. Step 2: Convert to fraction form
    11,113.24/16,655.66 = 4,871.58/x
  3. Step 3: Cross multiply
    11,113.24x = 16,655.66 × 4,871.58
  4. Step 4: Simplify right side
    11,113.24x = 81,139,380.14
  5. Step 5: Solve for x
    x = 81,139,380.14/11,113.24
  6. Step 6: Final answer
    x = 7,301.15

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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.