Home / 22,816.51-31,483.17-12,744.46

Finding the Fourth Proportional to 22,816.51, 31,483.17 and 12,744.46

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Solution

The fourth proportional to 22,816.51, 31,483.17 and 12,744.46 is: 17,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.51 : 31,483.17 = 12,744.46 : x
  2. Step 2: Convert to fraction form
    22,816.51/31,483.17 = 12,744.46/x
  3. Step 3: Cross multiply
    22,816.51x = 31,483.17 × 12,744.46
  4. Step 4: Simplify right side
    22,816.51x = 401,236,000.74
  5. Step 5: Solve for x
    x = 401,236,000.74/22,816.51
  6. Step 6: Final answer
    x = 17,585.34

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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.