Home / 12,554.20-18,829.98-5,159.44

Finding the Fourth Proportional to 12,554.20, 18,829.98 and 5,159.44

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Solution

The fourth proportional to 12,554.20, 18,829.98 and 5,159.44 is: 7,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.20 : 18,829.98 = 5,159.44 : x
  2. Step 2: Convert to fraction form
    12,554.20/18,829.98 = 5,159.44/x
  3. Step 3: Cross multiply
    12,554.20x = 18,829.98 × 5,159.44
  4. Step 4: Simplify right side
    12,554.20x = 97,152,152.01
  5. Step 5: Solve for x
    x = 97,152,152.01/12,554.20
  6. Step 6: Final answer
    x = 7,738.62

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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.