Home / 10,235.18-14,125.23-7,712.84

Finding the Fourth Proportional to 10,235.18, 14,125.23 and 7,712.84

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Solution

The fourth proportional to 10,235.18, 14,125.23 and 7,712.84 is: 10,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.18 : 14,125.23 = 7,712.84 : x
  2. Step 2: Convert to fraction form
    10,235.18/14,125.23 = 7,712.84/x
  3. Step 3: Cross multiply
    10,235.18x = 14,125.23 × 7,712.84
  4. Step 4: Simplify right side
    10,235.18x = 108,945,568.33
  5. Step 5: Solve for x
    x = 108,945,568.33/10,235.18
  6. Step 6: Final answer
    x = 10,644.23

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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.