Home / 19,622.51-27,078.92-10,670.02

Finding the Fourth Proportional to 19,622.51, 27,078.92 and 10,670.02

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Solution

The fourth proportional to 19,622.51, 27,078.92 and 10,670.02 is: 14,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.51 : 27,078.92 = 10,670.02 : x
  2. Step 2: Convert to fraction form
    19,622.51/27,078.92 = 10,670.02/x
  3. Step 3: Cross multiply
    19,622.51x = 27,078.92 × 10,670.02
  4. Step 4: Simplify right side
    19,622.51x = 288,932,536.94
  5. Step 5: Solve for x
    x = 288,932,536.94/19,622.51
  6. Step 6: Final answer
    x = 14,724.55

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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.