Home / 18,321.12-25,271.19-11,599.74

Finding the Fourth Proportional to 18,321.12, 25,271.19 and 11,599.74

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Solution

The fourth proportional to 18,321.12, 25,271.19 and 11,599.74 is: 16,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.12 : 25,271.19 = 11,599.74 : x
  2. Step 2: Convert to fraction form
    18,321.12/25,271.19 = 11,599.74/x
  3. Step 3: Cross multiply
    18,321.12x = 25,271.19 × 11,599.74
  4. Step 4: Simplify right side
    18,321.12x = 293,139,233.49
  5. Step 5: Solve for x
    x = 293,139,233.49/18,321.12
  6. Step 6: Final answer
    x = 16,000.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.