Home / 11,000.88-15,184.65-7,421.03

Finding the Fourth Proportional to 11,000.88, 15,184.65 and 7,421.03

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Solution

The fourth proportional to 11,000.88, 15,184.65 and 7,421.03 is: 10,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.88 : 15,184.65 = 7,421.03 : x
  2. Step 2: Convert to fraction form
    11,000.88/15,184.65 = 7,421.03/x
  3. Step 3: Cross multiply
    11,000.88x = 15,184.65 × 7,421.03
  4. Step 4: Simplify right side
    11,000.88x = 112,685,667.27
  5. Step 5: Solve for x
    x = 112,685,667.27/11,000.88
  6. Step 6: Final answer
    x = 10,243.33

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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.