Home / 11,312.51-16,976.52-5,769.63

Finding the Fourth Proportional to 11,312.51, 16,976.52 and 5,769.63

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Solution

The fourth proportional to 11,312.51, 16,976.52 and 5,769.63 is: 8,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.51 : 16,976.52 = 5,769.63 : x
  2. Step 2: Convert to fraction form
    11,312.51/16,976.52 = 5,769.63/x
  3. Step 3: Cross multiply
    11,312.51x = 16,976.52 × 5,769.63
  4. Step 4: Simplify right side
    11,312.51x = 97,948,239.09
  5. Step 5: Solve for x
    x = 97,948,239.09/11,312.51
  6. Step 6: Final answer
    x = 8,658.40

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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.