Home / 11,266.08-16,905.60-9,088.80

Finding the Fourth Proportional to 11,266.08, 16,905.60 and 9,088.80

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Solution

The fourth proportional to 11,266.08, 16,905.60 and 9,088.80 is: 13,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.08 : 16,905.60 = 9,088.80 : x
  2. Step 2: Convert to fraction form
    11,266.08/16,905.60 = 9,088.80/x
  3. Step 3: Cross multiply
    11,266.08x = 16,905.60 × 9,088.80
  4. Step 4: Simplify right side
    11,266.08x = 153,651,617.28
  5. Step 5: Solve for x
    x = 153,651,617.28/11,266.08
  6. Step 6: Final answer
    x = 13,638.43

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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.