Home / 10,686.45-14,747.08-6,496.05

Finding the Fourth Proportional to 10,686.45, 14,747.08 and 6,496.05

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Solution

The fourth proportional to 10,686.45, 14,747.08 and 6,496.05 is: 8,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.45 : 14,747.08 = 6,496.05 : x
  2. Step 2: Convert to fraction form
    10,686.45/14,747.08 = 6,496.05/x
  3. Step 3: Cross multiply
    10,686.45x = 14,747.08 × 6,496.05
  4. Step 4: Simplify right side
    10,686.45x = 95,797,769.03
  5. Step 5: Solve for x
    x = 95,797,769.03/10,686.45
  6. Step 6: Final answer
    x = 8,964.41

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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.