Home / 11,587.45-15,996.61-7,342.92

Finding the Fourth Proportional to 11,587.45, 15,996.61 and 7,342.92

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Solution

The fourth proportional to 11,587.45, 15,996.61 and 7,342.92 is: 10,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.45 : 15,996.61 = 7,342.92 : x
  2. Step 2: Convert to fraction form
    11,587.45/15,996.61 = 7,342.92/x
  3. Step 3: Cross multiply
    11,587.45x = 15,996.61 × 7,342.92
  4. Step 4: Simplify right side
    11,587.45x = 117,461,747.52
  5. Step 5: Solve for x
    x = 117,461,747.52/11,587.45
  6. Step 6: Final answer
    x = 10,136.98

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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.