Home / 22,638.51-33,957.63-12,315.87

Finding the Fourth Proportional to 22,638.51, 33,957.63 and 12,315.87

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Solution

The fourth proportional to 22,638.51, 33,957.63 and 12,315.87 is: 18,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.51 : 33,957.63 = 12,315.87 : x
  2. Step 2: Convert to fraction form
    22,638.51/33,957.63 = 12,315.87/x
  3. Step 3: Cross multiply
    22,638.51x = 33,957.63 × 12,315.87
  4. Step 4: Simplify right side
    22,638.51x = 418,217,756.59
  5. Step 5: Solve for x
    x = 418,217,756.59/22,638.51
  6. Step 6: Final answer
    x = 18,473.73

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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.