Home / 11,009.68-15,193.23-5,973.86

Finding the Fourth Proportional to 11,009.68, 15,193.23 and 5,973.86

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Solution

The fourth proportional to 11,009.68, 15,193.23 and 5,973.86 is: 8,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.68 : 15,193.23 = 5,973.86 : x
  2. Step 2: Convert to fraction form
    11,009.68/15,193.23 = 5,973.86/x
  3. Step 3: Cross multiply
    11,009.68x = 15,193.23 × 5,973.86
  4. Step 4: Simplify right side
    11,009.68x = 90,762,307.92
  5. Step 5: Solve for x
    x = 90,762,307.92/11,009.68
  6. Step 6: Final answer
    x = 8,243.86

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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.