Home / 14,446.28-21,670.81-3,916.45

Finding the Fourth Proportional to 14,446.28, 21,670.81 and 3,916.45

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Solution

The fourth proportional to 14,446.28, 21,670.81 and 3,916.45 is: 5,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.28 : 21,670.81 = 3,916.45 : x
  2. Step 2: Convert to fraction form
    14,446.28/21,670.81 = 3,916.45/x
  3. Step 3: Cross multiply
    14,446.28x = 21,670.81 × 3,916.45
  4. Step 4: Simplify right side
    14,446.28x = 84,872,661.12
  5. Step 5: Solve for x
    x = 84,872,661.12/14,446.28
  6. Step 6: Final answer
    x = 5,875.05

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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.