Home / 19,381.56-29,072.28-5,341.76

Finding the Fourth Proportional to 19,381.56, 29,072.28 and 5,341.76

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Solution

The fourth proportional to 19,381.56, 29,072.28 and 5,341.76 is: 8,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.56 : 29,072.28 = 5,341.76 : x
  2. Step 2: Convert to fraction form
    19,381.56/29,072.28 = 5,341.76/x
  3. Step 3: Cross multiply
    19,381.56x = 29,072.28 × 5,341.76
  4. Step 4: Simplify right side
    19,381.56x = 155,297,142.41
  5. Step 5: Solve for x
    x = 155,297,142.41/19,381.56
  6. Step 6: Final answer
    x = 8,012.62

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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.