Home / 10,011.42-13,816.20-6,236.82

Finding the Fourth Proportional to 10,011.42, 13,816.20 and 6,236.82

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Solution

The fourth proportional to 10,011.42, 13,816.20 and 6,236.82 is: 8,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.42 : 13,816.20 = 6,236.82 : x
  2. Step 2: Convert to fraction form
    10,011.42/13,816.20 = 6,236.82/x
  3. Step 3: Cross multiply
    10,011.42x = 13,816.20 × 6,236.82
  4. Step 4: Simplify right side
    10,011.42x = 86,169,152.48
  5. Step 5: Solve for x
    x = 86,169,152.48/10,011.42
  6. Step 6: Final answer
    x = 8,607.09

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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.