Home / 9,918.48-14,887-5,241.96

Finding the Fourth Proportional to 9,918.48, 14,887 and 5,241.96

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Solution

The fourth proportional to 9,918.48, 14,887 and 5,241.96 is: 7,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.48 : 14,887 = 5,241.96 : x
  2. Step 2: Convert to fraction form
    9,918.48/14,887 = 5,241.96/x
  3. Step 3: Cross multiply
    9,918.48x = 14,887 × 5,241.96
  4. Step 4: Simplify right side
    9,918.48x = 78,037,058.52
  5. Step 5: Solve for x
    x = 78,037,058.52/9,918.48
  6. Step 6: Final answer
    x = 7,867.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.