Home / 11,443.40-17,166.80-7,065.60

Finding the Fourth Proportional to 11,443.40, 17,166.80 and 7,065.60

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Solution

The fourth proportional to 11,443.40, 17,166.80 and 7,065.60 is: 10,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.40 : 17,166.80 = 7,065.60 : x
  2. Step 2: Convert to fraction form
    11,443.40/17,166.80 = 7,065.60/x
  3. Step 3: Cross multiply
    11,443.40x = 17,166.80 × 7,065.60
  4. Step 4: Simplify right side
    11,443.40x = 121,293,742.08
  5. Step 5: Solve for x
    x = 121,293,742.08/11,443.40
  6. Step 6: Final answer
    x = 10,599.45

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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.