Home / 11,947.90-16,486.67-6,569.45

Finding the Fourth Proportional to 11,947.90, 16,486.67 and 6,569.45

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Solution

The fourth proportional to 11,947.90, 16,486.67 and 6,569.45 is: 9,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.90 : 16,486.67 = 6,569.45 : x
  2. Step 2: Convert to fraction form
    11,947.90/16,486.67 = 6,569.45/x
  3. Step 3: Cross multiply
    11,947.90x = 16,486.67 × 6,569.45
  4. Step 4: Simplify right side
    11,947.90x = 108,308,321.38
  5. Step 5: Solve for x
    x = 108,308,321.38/11,947.90
  6. Step 6: Final answer
    x = 9,065.05

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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.