Home / 12,424.50-18,636.60-5,028.90

Finding the Fourth Proportional to 12,424.50, 18,636.60 and 5,028.90

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Solution

The fourth proportional to 12,424.50, 18,636.60 and 5,028.90 is: 7,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.50 : 18,636.60 = 5,028.90 : x
  2. Step 2: Convert to fraction form
    12,424.50/18,636.60 = 5,028.90/x
  3. Step 3: Cross multiply
    12,424.50x = 18,636.60 × 5,028.90
  4. Step 4: Simplify right side
    12,424.50x = 93,721,597.74
  5. Step 5: Solve for x
    x = 93,721,597.74/12,424.50
  6. Step 6: Final answer
    x = 7,543.29

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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.