Home / 12,254.61-18,387.99-4,858.91

Finding the Fourth Proportional to 12,254.61, 18,387.99 and 4,858.91

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Solution

The fourth proportional to 12,254.61, 18,387.99 and 4,858.91 is: 7,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.61 : 18,387.99 = 4,858.91 : x
  2. Step 2: Convert to fraction form
    12,254.61/18,387.99 = 4,858.91/x
  3. Step 3: Cross multiply
    12,254.61x = 18,387.99 × 4,858.91
  4. Step 4: Simplify right side
    12,254.61x = 89,345,496.55
  5. Step 5: Solve for x
    x = 89,345,496.55/12,254.61
  6. Step 6: Final answer
    x = 7,290.77

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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.