Home / 11,386.80-17,096.40-8,924.40

Finding the Fourth Proportional to 11,386.80, 17,096.40 and 8,924.40

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Solution

The fourth proportional to 11,386.80, 17,096.40 and 8,924.40 is: 13,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.80 : 17,096.40 = 8,924.40 : x
  2. Step 2: Convert to fraction form
    11,386.80/17,096.40 = 8,924.40/x
  3. Step 3: Cross multiply
    11,386.80x = 17,096.40 × 8,924.40
  4. Step 4: Simplify right side
    11,386.80x = 152,575,112.16
  5. Step 5: Solve for x
    x = 152,575,112.16/11,386.80
  6. Step 6: Final answer
    x = 13,399.30

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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.