Home / 19,258.27-28,888.43-6,111.65

Finding the Fourth Proportional to 19,258.27, 28,888.43 and 6,111.65

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Solution

The fourth proportional to 19,258.27, 28,888.43 and 6,111.65 is: 9,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.27 : 28,888.43 = 6,111.65 : x
  2. Step 2: Convert to fraction form
    19,258.27/28,888.43 = 6,111.65/x
  3. Step 3: Cross multiply
    19,258.27x = 28,888.43 × 6,111.65
  4. Step 4: Simplify right side
    19,258.27x = 176,555,973.21
  5. Step 5: Solve for x
    x = 176,555,973.21/19,258.27
  6. Step 6: Final answer
    x = 9,167.80

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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.