Home / 15,228.84-20,976.77-10,744.74

Finding the Fourth Proportional to 15,228.84, 20,976.77 and 10,744.74

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Solution

The fourth proportional to 15,228.84, 20,976.77 and 10,744.74 is: 14,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.84 : 20,976.77 = 10,744.74 : x
  2. Step 2: Convert to fraction form
    15,228.84/20,976.77 = 10,744.74/x
  3. Step 3: Cross multiply
    15,228.84x = 20,976.77 × 10,744.74
  4. Step 4: Simplify right side
    15,228.84x = 225,389,885.97
  5. Step 5: Solve for x
    x = 225,389,885.97/15,228.84
  6. Step 6: Final answer
    x = 14,800.20

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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.