Home / 10,660.79-14,711.94-5,880.90

Finding the Fourth Proportional to 10,660.79, 14,711.94 and 5,880.90

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Solution

The fourth proportional to 10,660.79, 14,711.94 and 5,880.90 is: 8,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.79 : 14,711.94 = 5,880.90 : x
  2. Step 2: Convert to fraction form
    10,660.79/14,711.94 = 5,880.90/x
  3. Step 3: Cross multiply
    10,660.79x = 14,711.94 × 5,880.90
  4. Step 4: Simplify right side
    10,660.79x = 86,519,447.95
  5. Step 5: Solve for x
    x = 86,519,447.95/10,660.79
  6. Step 6: Final answer
    x = 8,115.67

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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.