Home / 18,974.13-26,184.18-10,476.78

Finding the Fourth Proportional to 18,974.13, 26,184.18 and 10,476.78

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Solution

The fourth proportional to 18,974.13, 26,184.18 and 10,476.78 is: 14,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.13 : 26,184.18 = 10,476.78 : x
  2. Step 2: Convert to fraction form
    18,974.13/26,184.18 = 10,476.78/x
  3. Step 3: Cross multiply
    18,974.13x = 26,184.18 × 10,476.78
  4. Step 4: Simplify right side
    18,974.13x = 274,325,893.34
  5. Step 5: Solve for x
    x = 274,325,893.34/18,974.13
  6. Step 6: Final answer
    x = 14,457.89

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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.