Home / 11,133.12-15,363.90-7,597.48

Finding the Fourth Proportional to 11,133.12, 15,363.90 and 7,597.48

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Solution

The fourth proportional to 11,133.12, 15,363.90 and 7,597.48 is: 10,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.12 : 15,363.90 = 7,597.48 : x
  2. Step 2: Convert to fraction form
    11,133.12/15,363.90 = 7,597.48/x
  3. Step 3: Cross multiply
    11,133.12x = 15,363.90 × 7,597.48
  4. Step 4: Simplify right side
    11,133.12x = 116,726,922.97
  5. Step 5: Solve for x
    x = 116,726,922.97/11,133.12
  6. Step 6: Final answer
    x = 10,484.66

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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.