Home / 11,386.98-17,052.69-7,867.62

Finding the Fourth Proportional to 11,386.98, 17,052.69 and 7,867.62

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Solution

The fourth proportional to 11,386.98, 17,052.69 and 7,867.62 is: 11,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.98 : 17,052.69 = 7,867.62 : x
  2. Step 2: Convert to fraction form
    11,386.98/17,052.69 = 7,867.62/x
  3. Step 3: Cross multiply
    11,386.98x = 17,052.69 × 7,867.62
  4. Step 4: Simplify right side
    11,386.98x = 134,164,084.90
  5. Step 5: Solve for x
    x = 134,164,084.90/11,386.98
  6. Step 6: Final answer
    x = 11,782.24

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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.