Home / 19,772.01-27,284.55-11,818.62

Finding the Fourth Proportional to 19,772.01, 27,284.55 and 11,818.62

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Solution

The fourth proportional to 19,772.01, 27,284.55 and 11,818.62 is: 16,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.01 : 27,284.55 = 11,818.62 : x
  2. Step 2: Convert to fraction form
    19,772.01/27,284.55 = 11,818.62/x
  3. Step 3: Cross multiply
    19,772.01x = 27,284.55 × 11,818.62
  4. Step 4: Simplify right side
    19,772.01x = 322,465,728.32
  5. Step 5: Solve for x
    x = 322,465,728.32/19,772.01
  6. Step 6: Final answer
    x = 16,309.20

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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.