Home / 10,530.48-14,531.88-6,804.56

Finding the Fourth Proportional to 10,530.48, 14,531.88 and 6,804.56

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Solution

The fourth proportional to 10,530.48, 14,531.88 and 6,804.56 is: 9,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.48 : 14,531.88 = 6,804.56 : x
  2. Step 2: Convert to fraction form
    10,530.48/14,531.88 = 6,804.56/x
  3. Step 3: Cross multiply
    10,530.48x = 14,531.88 × 6,804.56
  4. Step 4: Simplify right side
    10,530.48x = 98,883,049.37
  5. Step 5: Solve for x
    x = 98,883,049.37/10,530.48
  6. Step 6: Final answer
    x = 9,390.17

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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.