Home / 11,455.02-17,204.40-7,081.02

Finding the Fourth Proportional to 11,455.02, 17,204.40 and 7,081.02

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Solution

The fourth proportional to 11,455.02, 17,204.40 and 7,081.02 is: 10,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.02 : 17,204.40 = 7,081.02 : x
  2. Step 2: Convert to fraction form
    11,455.02/17,204.40 = 7,081.02/x
  3. Step 3: Cross multiply
    11,455.02x = 17,204.40 × 7,081.02
  4. Step 4: Simplify right side
    11,455.02x = 121,824,700.49
  5. Step 5: Solve for x
    x = 121,824,700.49/11,455.02
  6. Step 6: Final answer
    x = 10,635.05

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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.