Home / 9,868.13-13,624.09-6,337.56

Finding the Fourth Proportional to 9,868.13, 13,624.09 and 6,337.56

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Solution

The fourth proportional to 9,868.13, 13,624.09 and 6,337.56 is: 8,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.13 : 13,624.09 = 6,337.56 : x
  2. Step 2: Convert to fraction form
    9,868.13/13,624.09 = 6,337.56/x
  3. Step 3: Cross multiply
    9,868.13x = 13,624.09 × 6,337.56
  4. Step 4: Simplify right side
    9,868.13x = 86,343,471.98
  5. Step 5: Solve for x
    x = 86,343,471.98/9,868.13
  6. Step 6: Final answer
    x = 8,749.73

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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.