Home / 18,628.09-27,948.51-8,767.89

Finding the Fourth Proportional to 18,628.09, 27,948.51 and 8,767.89

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Solution

The fourth proportional to 18,628.09, 27,948.51 and 8,767.89 is: 13,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.09 : 27,948.51 = 8,767.89 : x
  2. Step 2: Convert to fraction form
    18,628.09/27,948.51 = 8,767.89/x
  3. Step 3: Cross multiply
    18,628.09x = 27,948.51 × 8,767.89
  4. Step 4: Simplify right side
    18,628.09x = 245,049,461.34
  5. Step 5: Solve for x
    x = 245,049,461.34/18,628.09
  6. Step 6: Final answer
    x = 13,154.84

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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.