Home / 11,218.66-15,484.39-6,972.93

Finding the Fourth Proportional to 11,218.66, 15,484.39 and 6,972.93

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Solution

The fourth proportional to 11,218.66, 15,484.39 and 6,972.93 is: 9,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.66 : 15,484.39 = 6,972.93 : x
  2. Step 2: Convert to fraction form
    11,218.66/15,484.39 = 6,972.93/x
  3. Step 3: Cross multiply
    11,218.66x = 15,484.39 × 6,972.93
  4. Step 4: Simplify right side
    11,218.66x = 107,971,464.47
  5. Step 5: Solve for x
    x = 107,971,464.47/11,218.66
  6. Step 6: Final answer
    x = 9,624.28

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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.