Home / 13,710.27-20,576.22-7,046.51

Finding the Fourth Proportional to 13,710.27, 20,576.22 and 7,046.51

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Solution

The fourth proportional to 13,710.27, 20,576.22 and 7,046.51 is: 10,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.27 : 20,576.22 = 7,046.51 : x
  2. Step 2: Convert to fraction form
    13,710.27/20,576.22 = 7,046.51/x
  3. Step 3: Cross multiply
    13,710.27x = 20,576.22 × 7,046.51
  4. Step 4: Simplify right side
    13,710.27x = 144,990,437.11
  5. Step 5: Solve for x
    x = 144,990,437.11/13,710.27
  6. Step 6: Final answer
    x = 10,575.32

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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.