Home / 11,003.04-15,163.20-7,853.76

Finding the Fourth Proportional to 11,003.04, 15,163.20 and 7,853.76

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Solution

The fourth proportional to 11,003.04, 15,163.20 and 7,853.76 is: 10,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.04 : 15,163.20 = 7,853.76 : x
  2. Step 2: Convert to fraction form
    11,003.04/15,163.20 = 7,853.76/x
  3. Step 3: Cross multiply
    11,003.04x = 15,163.20 × 7,853.76
  4. Step 4: Simplify right side
    11,003.04x = 119,088,133.63
  5. Step 5: Solve for x
    x = 119,088,133.63/11,003.04
  6. Step 6: Final answer
    x = 10,823.20

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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.