Home / 11,319.51-16,975.29-4,654.11

Finding the Fourth Proportional to 11,319.51, 16,975.29 and 4,654.11

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Solution

The fourth proportional to 11,319.51, 16,975.29 and 4,654.11 is: 6,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.51 : 16,975.29 = 4,654.11 : x
  2. Step 2: Convert to fraction form
    11,319.51/16,975.29 = 4,654.11/x
  3. Step 3: Cross multiply
    11,319.51x = 16,975.29 × 4,654.11
  4. Step 4: Simplify right side
    11,319.51x = 79,004,866.94
  5. Step 5: Solve for x
    x = 79,004,866.94/11,319.51
  6. Step 6: Final answer
    x = 6,979.53

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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.