Home / 11,529.96-15,903.18-7,994.28

Finding the Fourth Proportional to 11,529.96, 15,903.18 and 7,994.28

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Solution

The fourth proportional to 11,529.96, 15,903.18 and 7,994.28 is: 11,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.96 : 15,903.18 = 7,994.28 : x
  2. Step 2: Convert to fraction form
    11,529.96/15,903.18 = 7,994.28/x
  3. Step 3: Cross multiply
    11,529.96x = 15,903.18 × 7,994.28
  4. Step 4: Simplify right side
    11,529.96x = 127,134,473.81
  5. Step 5: Solve for x
    x = 127,134,473.81/11,529.96
  6. Step 6: Final answer
    x = 11,026.45

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Double scale
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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.