Home / 10,188.56-14,060.30-5,712.32

Finding the Fourth Proportional to 10,188.56, 14,060.30 and 5,712.32

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Solution

The fourth proportional to 10,188.56, 14,060.30 and 5,712.32 is: 7,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.56 : 14,060.30 = 5,712.32 : x
  2. Step 2: Convert to fraction form
    10,188.56/14,060.30 = 5,712.32/x
  3. Step 3: Cross multiply
    10,188.56x = 14,060.30 × 5,712.32
  4. Step 4: Simplify right side
    10,188.56x = 80,316,932.90
  5. Step 5: Solve for x
    x = 80,316,932.90/10,188.56
  6. Step 6: Final answer
    x = 7,883.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.