Home / 19,619.39-27,074.93-10,666.90

Finding the Fourth Proportional to 19,619.39, 27,074.93 and 10,666.90

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Solution

The fourth proportional to 19,619.39, 27,074.93 and 10,666.90 is: 14,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.39 : 27,074.93 = 10,666.90 : x
  2. Step 2: Convert to fraction form
    19,619.39/27,074.93 = 10,666.90/x
  3. Step 3: Cross multiply
    19,619.39x = 27,074.93 × 10,666.90
  4. Step 4: Simplify right side
    19,619.39x = 288,805,551.33
  5. Step 5: Solve for x
    x = 288,805,551.33/19,619.39
  6. Step 6: Final answer
    x = 14,720.41

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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.