Home / 22,816.50-31,483.26-12,744.54

Finding the Fourth Proportional to 22,816.50, 31,483.26 and 12,744.54

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Solution

The fourth proportional to 22,816.50, 31,483.26 and 12,744.54 is: 17,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.50 : 31,483.26 = 12,744.54 : x
  2. Step 2: Convert to fraction form
    22,816.50/31,483.26 = 12,744.54/x
  3. Step 3: Cross multiply
    22,816.50x = 31,483.26 × 12,744.54
  4. Step 4: Simplify right side
    22,816.50x = 401,239,666.40
  5. Step 5: Solve for x
    x = 401,239,666.40/22,816.50
  6. Step 6: Final answer
    x = 17,585.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.