Home / 9,917.08-13,675.36-6,931.82

Finding the Fourth Proportional to 9,917.08, 13,675.36 and 6,931.82

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Solution

The fourth proportional to 9,917.08, 13,675.36 and 6,931.82 is: 9,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.08 : 13,675.36 = 6,931.82 : x
  2. Step 2: Convert to fraction form
    9,917.08/13,675.36 = 6,931.82/x
  3. Step 3: Cross multiply
    9,917.08x = 13,675.36 × 6,931.82
  4. Step 4: Simplify right side
    9,917.08x = 94,795,133.96
  5. Step 5: Solve for x
    x = 94,795,133.96/9,917.08
  6. Step 6: Final answer
    x = 9,558.77

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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.