Home / 9,675.56-13,355.12-6,318.87

Finding the Fourth Proportional to 9,675.56, 13,355.12 and 6,318.87

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Solution

The fourth proportional to 9,675.56, 13,355.12 and 6,318.87 is: 8,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.56 : 13,355.12 = 6,318.87 : x
  2. Step 2: Convert to fraction form
    9,675.56/13,355.12 = 6,318.87/x
  3. Step 3: Cross multiply
    9,675.56x = 13,355.12 × 6,318.87
  4. Step 4: Simplify right side
    9,675.56x = 84,389,235.52
  5. Step 5: Solve for x
    x = 84,389,235.52/9,675.56
  6. Step 6: Final answer
    x = 8,721.90

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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.