Home / 16,290.84-22,461.66-13,768.50

Finding the Fourth Proportional to 16,290.84, 22,461.66 and 13,768.50

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Solution

The fourth proportional to 16,290.84, 22,461.66 and 13,768.50 is: 18,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.84 : 22,461.66 = 13,768.50 : x
  2. Step 2: Convert to fraction form
    16,290.84/22,461.66 = 13,768.50/x
  3. Step 3: Cross multiply
    16,290.84x = 22,461.66 × 13,768.50
  4. Step 4: Simplify right side
    16,290.84x = 309,263,365.71
  5. Step 5: Solve for x
    x = 309,263,365.71/16,290.84
  6. Step 6: Final answer
    x = 18,983.88

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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.