Home / 15,362.25-23,021.71-12,228.31

Finding the Fourth Proportional to 15,362.25, 23,021.71 and 12,228.31

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Solution

The fourth proportional to 15,362.25, 23,021.71 and 12,228.31 is: 18,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.25 : 23,021.71 = 12,228.31 : x
  2. Step 2: Convert to fraction form
    15,362.25/23,021.71 = 12,228.31/x
  3. Step 3: Cross multiply
    15,362.25x = 23,021.71 × 12,228.31
  4. Step 4: Simplify right side
    15,362.25x = 281,516,606.61
  5. Step 5: Solve for x
    x = 281,516,606.61/15,362.25
  6. Step 6: Final answer
    x = 18,325.22

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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.