Home / 12,618.93-18,925.25-5,225.43

Finding the Fourth Proportional to 12,618.93, 18,925.25 and 5,225.43

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Solution

The fourth proportional to 12,618.93, 18,925.25 and 5,225.43 is: 7,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.93 : 18,925.25 = 5,225.43 : x
  2. Step 2: Convert to fraction form
    12,618.93/18,925.25 = 5,225.43/x
  3. Step 3: Cross multiply
    12,618.93x = 18,925.25 × 5,225.43
  4. Step 4: Simplify right side
    12,618.93x = 98,892,542.98
  5. Step 5: Solve for x
    x = 98,892,542.98/12,618.93
  6. Step 6: Final answer
    x = 7,836.84

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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.