Home / 20,074.47-27,705.71-11,574.93

Finding the Fourth Proportional to 20,074.47, 27,705.71 and 11,574.93

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Solution

The fourth proportional to 20,074.47, 27,705.71 and 11,574.93 is: 15,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.47 : 27,705.71 = 11,574.93 : x
  2. Step 2: Convert to fraction form
    20,074.47/27,705.71 = 11,574.93/x
  3. Step 3: Cross multiply
    20,074.47x = 27,705.71 × 11,574.93
  4. Step 4: Simplify right side
    20,074.47x = 320,691,595.98
  5. Step 5: Solve for x
    x = 320,691,595.98/20,074.47
  6. Step 6: Final answer
    x = 15,975.10

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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.