Home / 10,966.54-16,440.57-4,389.13

Finding the Fourth Proportional to 10,966.54, 16,440.57 and 4,389.13

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Solution

The fourth proportional to 10,966.54, 16,440.57 and 4,389.13 is: 6,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.54 : 16,440.57 = 4,389.13 : x
  2. Step 2: Convert to fraction form
    10,966.54/16,440.57 = 4,389.13/x
  3. Step 3: Cross multiply
    10,966.54x = 16,440.57 × 4,389.13
  4. Step 4: Simplify right side
    10,966.54x = 72,159,716.80
  5. Step 5: Solve for x
    x = 72,159,716.80/10,966.54
  6. Step 6: Final answer
    x = 6,579.99

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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.