Home / 13,082.84-19,621.50-4,315.70

Finding the Fourth Proportional to 13,082.84, 19,621.50 and 4,315.70

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Solution

The fourth proportional to 13,082.84, 19,621.50 and 4,315.70 is: 6,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.84 : 19,621.50 = 4,315.70 : x
  2. Step 2: Convert to fraction form
    13,082.84/19,621.50 = 4,315.70/x
  3. Step 3: Cross multiply
    13,082.84x = 19,621.50 × 4,315.70
  4. Step 4: Simplify right side
    13,082.84x = 84,680,409.44
  5. Step 5: Solve for x
    x = 84,680,409.44/13,082.84
  6. Step 6: Final answer
    x = 6,472.63

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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.