Home / 15,230.94-22,938.90-13,406.10

Finding the Fourth Proportional to 15,230.94, 22,938.90 and 13,406.10

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Solution

The fourth proportional to 15,230.94, 22,938.90 and 13,406.10 is: 20,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.94 : 22,938.90 = 13,406.10 : x
  2. Step 2: Convert to fraction form
    15,230.94/22,938.90 = 13,406.10/x
  3. Step 3: Cross multiply
    15,230.94x = 22,938.90 × 13,406.10
  4. Step 4: Simplify right side
    15,230.94x = 307,521,187.29
  5. Step 5: Solve for x
    x = 307,521,187.29/15,230.94
  6. Step 6: Final answer
    x = 20,190.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.