Home / 11,231.13-16,775.58-8,740.02

Finding the Fourth Proportional to 11,231.13, 16,775.58 and 8,740.02

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Solution

The fourth proportional to 11,231.13, 16,775.58 and 8,740.02 is: 13,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.13 : 16,775.58 = 8,740.02 : x
  2. Step 2: Convert to fraction form
    11,231.13/16,775.58 = 8,740.02/x
  3. Step 3: Cross multiply
    11,231.13x = 16,775.58 × 8,740.02
  4. Step 4: Simplify right side
    11,231.13x = 146,618,904.71
  5. Step 5: Solve for x
    x = 146,618,904.71/11,231.13
  6. Step 6: Final answer
    x = 13,054.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.