Home / 14,171.31-21,243.12-5,280.13

Finding the Fourth Proportional to 14,171.31, 21,243.12 and 5,280.13

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Solution

The fourth proportional to 14,171.31, 21,243.12 and 5,280.13 is: 7,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.31 : 21,243.12 = 5,280.13 : x
  2. Step 2: Convert to fraction form
    14,171.31/21,243.12 = 5,280.13/x
  3. Step 3: Cross multiply
    14,171.31x = 21,243.12 × 5,280.13
  4. Step 4: Simplify right side
    14,171.31x = 112,166,435.21
  5. Step 5: Solve for x
    x = 112,166,435.21/14,171.31
  6. Step 6: Final answer
    x = 7,915.04

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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.