Home / 10,477.66-15,685.28-6,769.06

Finding the Fourth Proportional to 10,477.66, 15,685.28 and 6,769.06

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Solution

The fourth proportional to 10,477.66, 15,685.28 and 6,769.06 is: 10,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.66 : 15,685.28 = 6,769.06 : x
  2. Step 2: Convert to fraction form
    10,477.66/15,685.28 = 6,769.06/x
  3. Step 3: Cross multiply
    10,477.66x = 15,685.28 × 6,769.06
  4. Step 4: Simplify right side
    10,477.66x = 106,174,601.44
  5. Step 5: Solve for x
    x = 106,174,601.44/10,477.66
  6. Step 6: Final answer
    x = 10,133.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.