Home / 10,025.79-15,032.88-3,450.21

Finding the Fourth Proportional to 10,025.79, 15,032.88 and 3,450.21

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Solution

The fourth proportional to 10,025.79, 15,032.88 and 3,450.21 is: 5,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.79 : 15,032.88 = 3,450.21 : x
  2. Step 2: Convert to fraction form
    10,025.79/15,032.88 = 3,450.21/x
  3. Step 3: Cross multiply
    10,025.79x = 15,032.88 × 3,450.21
  4. Step 4: Simplify right side
    10,025.79x = 51,866,592.90
  5. Step 5: Solve for x
    x = 51,866,592.90/10,025.79
  6. Step 6: Final answer
    x = 5,173.32

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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.