Home / 11,321.89-15,624.31-6,848.63

Finding the Fourth Proportional to 11,321.89, 15,624.31 and 6,848.63

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Solution

The fourth proportional to 11,321.89, 15,624.31 and 6,848.63 is: 9,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.89 : 15,624.31 = 6,848.63 : x
  2. Step 2: Convert to fraction form
    11,321.89/15,624.31 = 6,848.63/x
  3. Step 3: Cross multiply
    11,321.89x = 15,624.31 × 6,848.63
  4. Step 4: Simplify right side
    11,321.89x = 107,005,118.20
  5. Step 5: Solve for x
    x = 107,005,118.20/11,321.89
  6. Step 6: Final answer
    x = 9,451.18

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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.