Home / 11,364.80-17,047.20-6,929.60

Finding the Fourth Proportional to 11,364.80, 17,047.20 and 6,929.60

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Solution

The fourth proportional to 11,364.80, 17,047.20 and 6,929.60 is: 10,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.80 : 17,047.20 = 6,929.60 : x
  2. Step 2: Convert to fraction form
    11,364.80/17,047.20 = 6,929.60/x
  3. Step 3: Cross multiply
    11,364.80x = 17,047.20 × 6,929.60
  4. Step 4: Simplify right side
    11,364.80x = 118,130,277.12
  5. Step 5: Solve for x
    x = 118,130,277.12/11,364.80
  6. Step 6: Final answer
    x = 10,394.40

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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.