Home / 11,263.53-15,537.79-7,013.91

Finding the Fourth Proportional to 11,263.53, 15,537.79 and 7,013.91

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Solution

The fourth proportional to 11,263.53, 15,537.79 and 7,013.91 is: 9,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.53 : 15,537.79 = 7,013.91 : x
  2. Step 2: Convert to fraction form
    11,263.53/15,537.79 = 7,013.91/x
  3. Step 3: Cross multiply
    11,263.53x = 15,537.79 × 7,013.91
  4. Step 4: Simplify right side
    11,263.53x = 108,980,727.69
  5. Step 5: Solve for x
    x = 108,980,727.69/11,263.53
  6. Step 6: Final answer
    x = 9,675.54

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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.