Home / 10,145.58-14,001.62-6,165.92

Finding the Fourth Proportional to 10,145.58, 14,001.62 and 6,165.92

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Solution

The fourth proportional to 10,145.58, 14,001.62 and 6,165.92 is: 8,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.58 : 14,001.62 = 6,165.92 : x
  2. Step 2: Convert to fraction form
    10,145.58/14,001.62 = 6,165.92/x
  3. Step 3: Cross multiply
    10,145.58x = 14,001.62 × 6,165.92
  4. Step 4: Simplify right side
    10,145.58x = 86,332,868.79
  5. Step 5: Solve for x
    x = 86,332,868.79/10,145.58
  6. Step 6: Final answer
    x = 8,509.41

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Double scale
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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.