Home / 12,834.55-17,711.53-7,528.35

Finding the Fourth Proportional to 12,834.55, 17,711.53 and 7,528.35

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Solution

The fourth proportional to 12,834.55, 17,711.53 and 7,528.35 is: 10,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.55 : 17,711.53 = 7,528.35 : x
  2. Step 2: Convert to fraction form
    12,834.55/17,711.53 = 7,528.35/x
  3. Step 3: Cross multiply
    12,834.55x = 17,711.53 × 7,528.35
  4. Step 4: Simplify right side
    12,834.55x = 133,338,596.88
  5. Step 5: Solve for x
    x = 133,338,596.88/12,834.55
  6. Step 6: Final answer
    x = 10,389.04

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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.