Home / 11,011.33-15,191.31-6,293.08

Finding the Fourth Proportional to 11,011.33, 15,191.31 and 6,293.08

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Solution

The fourth proportional to 11,011.33, 15,191.31 and 6,293.08 is: 8,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.33 : 15,191.31 = 6,293.08 : x
  2. Step 2: Convert to fraction form
    11,011.33/15,191.31 = 6,293.08/x
  3. Step 3: Cross multiply
    11,011.33x = 15,191.31 × 6,293.08
  4. Step 4: Simplify right side
    11,011.33x = 95,600,129.13
  5. Step 5: Solve for x
    x = 95,600,129.13/11,011.33
  6. Step 6: Final answer
    x = 8,681.98

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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.