Home / 9,918.48-14,881.92-4,985.52

Finding the Fourth Proportional to 9,918.48, 14,881.92 and 4,985.52

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Solution

The fourth proportional to 9,918.48, 14,881.92 and 4,985.52 is: 7,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.48 : 14,881.92 = 4,985.52 : x
  2. Step 2: Convert to fraction form
    9,918.48/14,881.92 = 4,985.52/x
  3. Step 3: Cross multiply
    9,918.48x = 14,881.92 × 4,985.52
  4. Step 4: Simplify right side
    9,918.48x = 74,194,109.80
  5. Step 5: Solve for x
    x = 74,194,109.80/9,918.48
  6. Step 6: Final answer
    x = 7,480.39

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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.