Home / 13,993.74-19,278.51-9,737.49

Finding the Fourth Proportional to 13,993.74, 19,278.51 and 9,737.49

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Solution

The fourth proportional to 13,993.74, 19,278.51 and 9,737.49 is: 13,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.74 : 19,278.51 = 9,737.49 : x
  2. Step 2: Convert to fraction form
    13,993.74/19,278.51 = 9,737.49/x
  3. Step 3: Cross multiply
    13,993.74x = 19,278.51 × 9,737.49
  4. Step 4: Simplify right side
    13,993.74x = 187,724,298.34
  5. Step 5: Solve for x
    x = 187,724,298.34/13,993.74
  6. Step 6: Final answer
    x = 13,414.88

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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.