Home / 12,835.05-17,712.23-7,528.85

Finding the Fourth Proportional to 12,835.05, 17,712.23 and 7,528.85

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Solution

The fourth proportional to 12,835.05, 17,712.23 and 7,528.85 is: 10,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.05 : 17,712.23 = 7,528.85 : x
  2. Step 2: Convert to fraction form
    12,835.05/17,712.23 = 7,528.85/x
  3. Step 3: Cross multiply
    12,835.05x = 17,712.23 × 7,528.85
  4. Step 4: Simplify right side
    12,835.05x = 133,352,596.63
  5. Step 5: Solve for x
    x = 133,352,596.63/12,835.05
  6. Step 6: Final answer
    x = 10,389.72

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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.