Home / 11,947.44-16,488.24-6,642.08

Finding the Fourth Proportional to 11,947.44, 16,488.24 and 6,642.08

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Solution

The fourth proportional to 11,947.44, 16,488.24 and 6,642.08 is: 9,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.44 : 16,488.24 = 6,642.08 : x
  2. Step 2: Convert to fraction form
    11,947.44/16,488.24 = 6,642.08/x
  3. Step 3: Cross multiply
    11,947.44x = 16,488.24 × 6,642.08
  4. Step 4: Simplify right side
    11,947.44x = 109,516,209.14
  5. Step 5: Solve for x
    x = 109,516,209.14/11,947.44
  6. Step 6: Final answer
    x = 9,166.50

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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.