Home / 10,530.80-14,527.26-6,278.87

Finding the Fourth Proportional to 10,530.80, 14,527.26 and 6,278.87

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Solution

The fourth proportional to 10,530.80, 14,527.26 and 6,278.87 is: 8,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.80 : 14,527.26 = 6,278.87 : x
  2. Step 2: Convert to fraction form
    10,530.80/14,527.26 = 6,278.87/x
  3. Step 3: Cross multiply
    10,530.80x = 14,527.26 × 6,278.87
  4. Step 4: Simplify right side
    10,530.80x = 91,214,777.00
  5. Step 5: Solve for x
    x = 91,214,777.00/10,530.80
  6. Step 6: Final answer
    x = 8,661.71

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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.