Home / 13,237.88-19,860.24-4,918.17

Finding the Fourth Proportional to 13,237.88, 19,860.24 and 4,918.17

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Solution

The fourth proportional to 13,237.88, 19,860.24 and 4,918.17 is: 7,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.88 : 19,860.24 = 4,918.17 : x
  2. Step 2: Convert to fraction form
    13,237.88/19,860.24 = 4,918.17/x
  3. Step 3: Cross multiply
    13,237.88x = 19,860.24 × 4,918.17
  4. Step 4: Simplify right side
    13,237.88x = 97,675,990.10
  5. Step 5: Solve for x
    x = 97,675,990.10/13,237.88
  6. Step 6: Final answer
    x = 7,378.52

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1.5x scale

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.