Home / 11,178.90-16,783.01-7,497.60

Finding the Fourth Proportional to 11,178.90, 16,783.01 and 7,497.60

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Solution

The fourth proportional to 11,178.90, 16,783.01 and 7,497.60 is: 11,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.90 : 16,783.01 = 7,497.60 : x
  2. Step 2: Convert to fraction form
    11,178.90/16,783.01 = 7,497.60/x
  3. Step 3: Cross multiply
    11,178.90x = 16,783.01 × 7,497.60
  4. Step 4: Simplify right side
    11,178.90x = 125,832,258.29
  5. Step 5: Solve for x
    x = 125,832,258.29/11,178.90
  6. Step 6: Final answer
    x = 11,256.23

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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.