Home / 18,581.84-25,644.70-10,622.51

Finding the Fourth Proportional to 18,581.84, 25,644.70 and 10,622.51

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Solution

The fourth proportional to 18,581.84, 25,644.70 and 10,622.51 is: 14,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.84 : 25,644.70 = 10,622.51 : x
  2. Step 2: Convert to fraction form
    18,581.84/25,644.70 = 10,622.51/x
  3. Step 3: Cross multiply
    18,581.84x = 25,644.70 × 10,622.51
  4. Step 4: Simplify right side
    18,581.84x = 272,411,063.42
  5. Step 5: Solve for x
    x = 272,411,063.42/18,581.84
  6. Step 6: Final answer
    x = 14,660.07

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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.