Home / 11,011.65-15,186.03-7,233.30

Finding the Fourth Proportional to 11,011.65, 15,186.03 and 7,233.30

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Solution

The fourth proportional to 11,011.65, 15,186.03 and 7,233.30 is: 9,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.65 : 15,186.03 = 7,233.30 : x
  2. Step 2: Convert to fraction form
    11,011.65/15,186.03 = 7,233.30/x
  3. Step 3: Cross multiply
    11,011.65x = 15,186.03 × 7,233.30
  4. Step 4: Simplify right side
    11,011.65x = 109,845,110.80
  5. Step 5: Solve for x
    x = 109,845,110.80/11,011.65
  6. Step 6: Final answer
    x = 9,975.35

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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.