Home / 11,740.80-17,624.16-9,291.36

Finding the Fourth Proportional to 11,740.80, 17,624.16 and 9,291.36

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Solution

The fourth proportional to 11,740.80, 17,624.16 and 9,291.36 is: 13,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.80 : 17,624.16 = 9,291.36 : x
  2. Step 2: Convert to fraction form
    11,740.80/17,624.16 = 9,291.36/x
  3. Step 3: Cross multiply
    11,740.80x = 17,624.16 × 9,291.36
  4. Step 4: Simplify right side
    11,740.80x = 163,752,415.26
  5. Step 5: Solve for x
    x = 163,752,415.26/11,740.80
  6. Step 6: Final answer
    x = 13,947.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.