Home / 12,835.30-17,712.57-7,529.10

Finding the Fourth Proportional to 12,835.30, 17,712.57 and 7,529.10

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Solution

The fourth proportional to 12,835.30, 17,712.57 and 7,529.10 is: 10,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.30 : 17,712.57 = 7,529.10 : x
  2. Step 2: Convert to fraction form
    12,835.30/17,712.57 = 7,529.10/x
  3. Step 3: Cross multiply
    12,835.30x = 17,712.57 × 7,529.10
  4. Step 4: Simplify right side
    12,835.30x = 133,359,622.22
  5. Step 5: Solve for x
    x = 133,359,622.22/12,835.30
  6. Step 6: Final answer
    x = 10,390.07

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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.