Home / 22,022.84-30,384.15-12,461.40

Finding the Fourth Proportional to 22,022.84, 30,384.15 and 12,461.40

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Solution

The fourth proportional to 22,022.84, 30,384.15 and 12,461.40 is: 17,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.84 : 30,384.15 = 12,461.40 : x
  2. Step 2: Convert to fraction form
    22,022.84/30,384.15 = 12,461.40/x
  3. Step 3: Cross multiply
    22,022.84x = 30,384.15 × 12,461.40
  4. Step 4: Simplify right side
    22,022.84x = 378,629,046.81
  5. Step 5: Solve for x
    x = 378,629,046.81/22,022.84
  6. Step 6: Final answer
    x = 17,192.57

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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.