Home / 18,367.24-25,356.36-12,089.56

Finding the Fourth Proportional to 18,367.24, 25,356.36 and 12,089.56

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Solution

The fourth proportional to 18,367.24, 25,356.36 and 12,089.56 is: 16,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.24 : 25,356.36 = 12,089.56 : x
  2. Step 2: Convert to fraction form
    18,367.24/25,356.36 = 12,089.56/x
  3. Step 3: Cross multiply
    18,367.24x = 25,356.36 × 12,089.56
  4. Step 4: Simplify right side
    18,367.24x = 306,547,235.60
  5. Step 5: Solve for x
    x = 306,547,235.60/18,367.24
  6. Step 6: Final answer
    x = 16,689.89

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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.