Home / 12,835.55-17,712.92-7,529.35

Finding the Fourth Proportional to 12,835.55, 17,712.92 and 7,529.35

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Solution

The fourth proportional to 12,835.55, 17,712.92 and 7,529.35 is: 10,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.55 : 17,712.92 = 7,529.35 : x
  2. Step 2: Convert to fraction form
    12,835.55/17,712.92 = 7,529.35/x
  3. Step 3: Cross multiply
    12,835.55x = 17,712.92 × 7,529.35
  4. Step 4: Simplify right side
    12,835.55x = 133,366,647.99
  5. Step 5: Solve for x
    x = 133,366,647.99/12,835.55
  6. Step 6: Final answer
    x = 10,390.41

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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.