Home / 14,237.40-21,377.70-10,954.20

Finding the Fourth Proportional to 14,237.40, 21,377.70 and 10,954.20

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Solution

The fourth proportional to 14,237.40, 21,377.70 and 10,954.20 is: 16,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.40 : 21,377.70 = 10,954.20 : x
  2. Step 2: Convert to fraction form
    14,237.40/21,377.70 = 10,954.20/x
  3. Step 3: Cross multiply
    14,237.40x = 21,377.70 × 10,954.20
  4. Step 4: Simplify right side
    14,237.40x = 234,175,601.34
  5. Step 5: Solve for x
    x = 234,175,601.34/14,237.40
  6. Step 6: Final answer
    x = 16,447.92

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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.