Home / 19,867.63-29,801.45-7,390.79

Finding the Fourth Proportional to 19,867.63, 29,801.45 and 7,390.79

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Solution

The fourth proportional to 19,867.63, 29,801.45 and 7,390.79 is: 11,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.63 : 29,801.45 = 7,390.79 : x
  2. Step 2: Convert to fraction form
    19,867.63/29,801.45 = 7,390.79/x
  3. Step 3: Cross multiply
    19,867.63x = 29,801.45 × 7,390.79
  4. Step 4: Simplify right side
    19,867.63x = 220,256,258.65
  5. Step 5: Solve for x
    x = 220,256,258.65/19,867.63
  6. Step 6: Final answer
    x = 11,086.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.