Home / 11,987.98-16,543.36-6,953.22

Finding the Fourth Proportional to 11,987.98, 16,543.36 and 6,953.22

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Solution

The fourth proportional to 11,987.98, 16,543.36 and 6,953.22 is: 9,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.98 : 16,543.36 = 6,953.22 : x
  2. Step 2: Convert to fraction form
    11,987.98/16,543.36 = 6,953.22/x
  3. Step 3: Cross multiply
    11,987.98x = 16,543.36 × 6,953.22
  4. Step 4: Simplify right side
    11,987.98x = 115,029,621.62
  5. Step 5: Solve for x
    x = 115,029,621.62/11,987.98
  6. Step 6: Final answer
    x = 9,595.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.