Home / 13,943.04-19,241.50-7,974.35

Finding the Fourth Proportional to 13,943.04, 19,241.50 and 7,974.35

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Solution

The fourth proportional to 13,943.04, 19,241.50 and 7,974.35 is: 11,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.04 : 19,241.50 = 7,974.35 : x
  2. Step 2: Convert to fraction form
    13,943.04/19,241.50 = 7,974.35/x
  3. Step 3: Cross multiply
    13,943.04x = 19,241.50 × 7,974.35
  4. Step 4: Simplify right side
    13,943.04x = 153,438,426.49
  5. Step 5: Solve for x
    x = 153,438,426.49/13,943.04
  6. Step 6: Final answer
    x = 11,004.66

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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.