Home / 18,826.79-25,981.58-10,329.62

Finding the Fourth Proportional to 18,826.79, 25,981.58 and 10,329.62

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Solution

The fourth proportional to 18,826.79, 25,981.58 and 10,329.62 is: 14,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.79 : 25,981.58 = 10,329.62 : x
  2. Step 2: Convert to fraction form
    18,826.79/25,981.58 = 10,329.62/x
  3. Step 3: Cross multiply
    18,826.79x = 25,981.58 × 10,329.62
  4. Step 4: Simplify right side
    18,826.79x = 268,379,666.84
  5. Step 5: Solve for x
    x = 268,379,666.84/18,826.79
  6. Step 6: Final answer
    x = 14,255.20

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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.