Home / 12,554.34-18,824.13-4,763.70

Finding the Fourth Proportional to 12,554.34, 18,824.13 and 4,763.70

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Solution

The fourth proportional to 12,554.34, 18,824.13 and 4,763.70 is: 7,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.34 : 18,824.13 = 4,763.70 : x
  2. Step 2: Convert to fraction form
    12,554.34/18,824.13 = 4,763.70/x
  3. Step 3: Cross multiply
    12,554.34x = 18,824.13 × 4,763.70
  4. Step 4: Simplify right side
    12,554.34x = 89,672,508.08
  5. Step 5: Solve for x
    x = 89,672,508.08/12,554.34
  6. Step 6: Final answer
    x = 7,142.75

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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.