Home / 9,938.47-14,907.25-2,918.20

Finding the Fourth Proportional to 9,938.47, 14,907.25 and 2,918.20

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Solution

The fourth proportional to 9,938.47, 14,907.25 and 2,918.20 is: 4,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.47 : 14,907.25 = 2,918.20 : x
  2. Step 2: Convert to fraction form
    9,938.47/14,907.25 = 2,918.20/x
  3. Step 3: Cross multiply
    9,938.47x = 14,907.25 × 2,918.20
  4. Step 4: Simplify right side
    9,938.47x = 43,502,336.95
  5. Step 5: Solve for x
    x = 43,502,336.95/9,938.47
  6. Step 6: Final answer
    x = 4,377.17

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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.