Home / 13,930.03-19,212.71-9,681.04

Finding the Fourth Proportional to 13,930.03, 19,212.71 and 9,681.04

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Solution

The fourth proportional to 13,930.03, 19,212.71 and 9,681.04 is: 13,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.03 : 19,212.71 = 9,681.04 : x
  2. Step 2: Convert to fraction form
    13,930.03/19,212.71 = 9,681.04/x
  3. Step 3: Cross multiply
    13,930.03x = 19,212.71 × 9,681.04
  4. Step 4: Simplify right side
    13,930.03x = 185,999,014.02
  5. Step 5: Solve for x
    x = 185,999,014.02/13,930.03
  6. Step 6: Final answer
    x = 13,352.38

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1.5x scale

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.